Raman Spectroscopy of Liquids
|
|
- Caren Jordan
- 5 years ago
- Views:
Transcription
1 Chemistry 357 Spring 2013 Raman Spectroscopy of Liquids Lab TA: Paul Dent
2 PURPOSE: You will investigate Raman light scattering of several different molecular liquids. You will also determine the vibrational frequencies and depolarization ratios of the Raman active vibrational modes of these materials. And finally, you will identify all the Raman active vibrational modes for each liquid and compare the experimental results with the spectra obtained with a Gaussian calculation. BACKGROUND: Please read the Theory for "Experiment 35: Raman Spectroscopy: Vibrational Spectrum of CCl4" found in your Shoemaker's Experiments in Physical Chemistry. It is important that you understand the information given to you in this section, as it will aid in understanding of Raman spectroscopy, as well as in writing of the lab report. Also review Sections 19.8 of your Engel & Reid, Physical Chemistry book. DURING THE LAB: You will acquire Raman spectra for 7 liquids using a Raman spectrometer, which are: CH3CN & CD3CN C6H6 & C6D6 CCl3H & CCl3D CCl4 You will also do Gaussian calculations for all of the cases measured (use Opt & Freq method with Raman turned on; the Method DFT b3lyp 6-31G(2d,2p) and 4 processors). Put all of the experimental spectra into an Excel file while the Gaussian calculations are running. It might be best for one student to run three spectra and then begin calculations for these. The next student does the same and then the third. The sequence can be as follow: 3 students: (a) CH3CN & CD3CN plus CCl4; (b) C6H6 & C6D6 plus CCl4; (c) CCl3H & CCl3D plus CCl4 2 students: (i) CH3CN, CD3CN, CCl4 & CCl3H (ii) C6H6, C6D6, CCl3H & CCl3D The first student can then measure the other samples and so on as time permits. You will each perform the Gaussian calculations and collect the data on all 7 samples. The use of the spectrometer will be demonstrated to you before you start the experiment. During your experiment, always make sure that the laser is on. The red beam should be visible from the reflection of the meniscus. The simplified instructions for using the spectrometer are as follow: 1/ Turn the spectrometer on (back right of the box). 2/ Open up the DeltaNu software. It will open to display a stock spectrum. The red box on the top right hand corner will turn blue once the laser is ready. Choose high resolution. 3/ Under Acquisition (or using one of the tabs on the left side of the window), click on Continuous. Run it for at least five minutes. This will stabilize the temperature of the laser. In
3 the top left hand corner, a green box should appear. This indicates that a spectrum is being acquired. 4/ Once the laser is stabilized, insert an empty cuvette, and press Reference (either using Acquisition drop down menu, or one of the tabs on the left side of the window). You have to do this only once; this will subtract the spectrum of an empty cuvette from the samples you will measure next. 5/ Insert your first sample. Press Acquire. This will collect the normal Raman spectrum. 6/ Once the spectrum is acquired, under Save, pick save as ASCII. This format will open in Excel (although you might have to Open As, and then pick Excel as your software of choice). 7/ Next thing is to acquire a polarized spectrum for the sample. To do this, click on Polarization (either from Acquisition drop down menu, or from one of the tabs on the left side of the window). 8/ Save this spectrum as well. 9/ To acquire spectra for other samples, repeat steps 5 through 8. Precautions: As tempting as it might be, do not look directly at the laser; it can cause serious damage to the eyes. Also, handle the cuvettes containing samples with caution; all of the liquids are toxic and some are carcinogenic. SUPPLEMENTARY CALCULATIONS FOR THE LAB: You should run Gaussian calculations for all the liquids you have analyzed. Once you build the necessary molecule in GaussView, run calculations using Opt+Freq job type. Make sure you select YES under Compute Raman (besides vibrational frequencies, this option will give you Raman intensities and depolarization ratios for each mode of vibration). DFT b3lyp 63-1G(2d,2p) is fine with Raman turned on as noted above. The molecules should each be symmetrized. The spectra can be saved and plotted on top of the experimental spectra. You may have to adjust the spectral linewidth to make this comparison more convincing. In order to account for the mass of D in the deuterated compounds, you should open the.out (or.log) file for the run of the H compound. This should now be set for job type frequency. Change the title to indicate that you are now dealing with the deuterated form. Select edit, save the file with the new name and in the atom list put (Iso=2) after each H atom, i.e., H(Iso=2). HANDLING OF THE RESULTS: Plot the data acquired in the lab as a Scatter plot (scatter with smooth lines is the preferred type). In the experiment you measure a Raman spectrum and a depolarization ratio data set. You plot only the measured Raman spectrum. On top of that, you plot the computed Raman activity spectrum that has been scaled to the maximum peak from the experiment. To get the computed spectrum, you need to open the.out (or.log) file in GaussView, click on results and then vibrations. The listed vibration data is first (frequency, IR intensity, Raman intensity, etc.) Click on Spectrum at the bottom and scan down to the Raman spectrum, right click on the spectrum and save as ASCII or CSV. Open in Excel and plot.
4 If you look in the computed vibrational data table, Raman activity is listed for each vibration and also the depolarization is given. What you will see is that this ratio is 3/4 for some vibrations but smaller values (less depolarized) for the others. You will compare that with the experimental depolarized spectra. What you will find is that all of the calculated vibrations with a depolarization of 3/4 are, in the experiment, plotted in a positive sense. All the others are plotted downward in a negative sense with an amplitude that depends on the extent of depolarization. As in this case, what the red depolarization plot means is that the large feature near 460 cm -1 is polarized (as is possible only for totally symmetric modes) and the pair of features near 780 cm -1 are depolarized (depolarization ratio = 3/4) as is necessarily the case for non-totally symmetric modes. Your write-up should present your results in four groups (presented in any order) CCl4, [C6H6, C6D6], [CH3CN, CD3CN] and [CCl2H2, CCl2D2]. For each group you should have one spectral plot with up to two spectra. You may include the depolarization data. For each molecule you should present a table showing your measured and computed values side by side, include all observed lines and all computed lines that are predicted to have nonzero Raman intensity. Note any observed features that are seen but are not predicted and those that are predicted but not seen. Explain how this might be possible and justify your statement. In this table include an entry that indicates whether the computed transition is expected to be polarized or depolarized (depolarization ratio = 3/4) and for each observed transition give the same information based on the depolarization spectrum. In the two H/D pairs compare the results for the two species. If there are unexplained anomalies (extra bands, missing bands, incorrect depolarization, etc.) is there a parallel discrepancy in both isotopomers? LAB REPORT: The report should be written in ACS format. That is, all equations, figures, and tables should be properly labeled and titled. The structure and format should be similar to the ones you did last semester, which includes Cover Page, Tittle, Abstract, Introduction, Experimental Methods, Results, Calculations, Discussion and References. Abstract should state what you have done (also, show briefly calculated results) and why it is important.
5 The Introduction and Experimental Methods should be written according to the related experiments in the textbook Experiments in Physical Chemistry. In the introduction, please discuss the theory behind, the methodology, and the importance of the experiment. Include any important equations, all of which should be properly labeled. In the experimental section, do not copy word for word from the handout, but rather summarize the procedure in your own words. The results section should be a narrative with your raw data incorporated into it. Include all relevant tables and plots. All of them should be properly labeled and titled. (In this case, the spectra you got from experiment and Gaussian, and the tables of vibrational modes. A sample of how to scale the plots is available on blackboard.) benzene experiment For the discussion section please comment on the technique and the success of the experiment. Compare your experimental results with Gaussian and literature results. (The comparison is more effective with a percent deviation calculated.) Comment on any missing or extra peaks (what is their frequency and what might be the cause of their appearance or their lack, etc.). Comment how the spectra of the deuterated liquids differ from their respective regular forms (shifts, if any, in the frequencies of the peaks; number of peaks, etc.). Extra Credit: Make a comparison between the observed and the computed depolarization ratios. Scale the computed frequency scale to see if a uniform factor accounts for the anharmonicity.
Vibrations of Carbon Dioxide and Carbon Disulfide
Vibrations of Carbon Dioxide and Carbon Disulfide Purpose Vibration frequencies of CO 2 and CS 2 will be measured by Raman and Infrared spectroscopy. The spectra show effects of normal mode symmetries
More informationJasco V-670 absorption spectrometer
Laser Spectroscopy Labs Jasco V-670 absorption spectrometer Operation instructions 1. Turn ON the power switch on the right side of the spectrophotometer. It takes about 5 minutes for the light source
More informationAbsorption Spectra of Cyanine Dyes
Reading/Preparation Absorption Spectra of Cyanine Dyes The basic theory and the description of the experimental procedure are given in your lab text 1 as experiment 34. Look carefully at the method and
More informationPhysical Chemistry II Laboratory
Kuwata Spring 2003 Physical Chemistry II Laboratory The Rovibrational Spectra of H 35 Cl and H 37 Cl Using FTIR Write-Up Due Date: Thursday, April 17 (You may record spectra and write your reports in teams
More informationSpectroscopy II Introduction: Spectrophotometry and Fluorometry
Introduction: Spectrophotometry and Fluorometry In this experiment you will use the SpectroVis Plus (a small computer controlled Spectrophotometer + Fluorometer) to: Measure the Transmission and Absorbance
More informationPhysical chemistry advanced laboratory course Raman spectroscopy of the CCl 4 molecule
Physical chemistry advanced laboratory course Raman spectroscopy of the CCl 4 molecule Tiina Kiviniemi April 11, 2008 1 Introduction The object of this excercise is to familiarize you with the basics and
More informationEffect of mass attached to the spring: 1. Replace the small stopper with the large stopper. Repeat steps 3-9 for each spring set.
EXERCISE 1: Representing molecular vibrations with spring oscillations A spring is a common model for covalent chemical bonds. One of the interesting interpretations of quantum mechanics is that bonds
More informationSimple Harmonic Motion
Physics Topics Simple Harmonic Motion If necessary, review the following topics and relevant textbook sections from Serway / Jewett Physics for Scientists and Engineers, 9th Ed. Hooke s Law (Serway, Sec.
More informationand Environmental Science Centre
1. Purpose The purpose of this document is to familiarize the user with the mode of function of the FT-Raman available at the facility, and to describe the sampling procedure. 2. Introduction Raman spectroscopy
More informationCalculating Bond Enthalpies of the Hydrides
Proposed Exercise for the General Chemistry Section of the Teaching with Cache Workbook: Calculating Bond Enthalpies of the Hydrides Contributed by James Foresman, Rachel Fogle, and Jeremy Beck, York College
More informationIntroduction to Spectroscopy: Analysis of Copper Ore
Introduction to Spectroscopy: Analysis of Copper Ore Using a Buret and Volumetric Flask: 2.06 ml of solution delivered 2.47 ml of solution delivered 50.00 ml Volumetric Flask Reading a buret: Burets are
More informationLab 5: Calculating an equilibrium constant
Chemistry 162 The following write-up is inaccurate for the particular chemicals we are using. Please have all sections up through and including the data tables ready before class on Wednesday, February
More informationAppendix D Simulating Spectroscopic Bands Using Gaussian and PGopher
429 Appendix D Simulating Spectroscopic Bands Using Gaussian and PGopher This appendix contains methods for using Gaussian 09 121 and PGopher 120 to simulate vibrational and electronic bands of molecules.
More informationCHEM 3760 Orgo I, F14 (Lab #11) (TECH 710)
CHEM 3760 Orgo I, F14 (Lab #11) (TECH 710) Identification of an Unknown by IR PRELAB (PreLab is due before entering the lab.) Every student has to prepare for each experiment by answering the Pre-Laboratory
More informationInvestigation 5: Infrared Spectroscopy and Molecular Modeling
2012-13 Chemistry 120 and Chem110/IR&Modeling/Procedure 1 Investigation 5: Infrared Spectroscopy and Molecular Modeling Question: What do molecules look like and how do they move? How can we make them
More informationWelcome to Chemistry 376
CHM 376 Spring 2014 Welcome to Chemistry 376 This course will give you a chance to explore the experimental world of physical chemistry. In each of six experiments you will study how simple physical models,
More informationMeasurements of a Table
Measurements of a Table OBJECTIVES to practice the concepts of significant figures, the mean value, the standard deviation of the mean and the normal distribution by making multiple measurements of length
More informationChemistry 14CL. Worksheet for the Molecular Modeling Workshop. (Revised FULL Version 2012 J.W. Pang) (Modified A. A. Russell)
Chemistry 14CL Worksheet for the Molecular Modeling Workshop (Revised FULL Version 2012 J.W. Pang) (Modified A. A. Russell) Structure of the Molecular Modeling Assignment The molecular modeling assignment
More informationIntroduction to Spectroscopy: Analysis of Copper Ore
Introduction to Spectroscopy: Analysis of Copper Ore Using a Buret and Volumetric Flask: 2.06 ml of solution 2.47 ml of solution 50.00 ml delivered delivered Volumetric Flask Reading a buret: Burets are
More informationPhotoluminescence Spectrometer (FLS980)
Photoluminescence Spectrometer (FLS980) Instrument Summary: The Edinburgh Instruments FLS980 photoluminescence spectrometer offers both steady state and time resolved (lifetime) fluorescence spectroscopy
More informationNH 3 inversion: Potential energy surfaces and transition states CH342L March 28, 2016
N 3 inversion: Potential energy surfaces and transition states C342L March 28, 2016 Last week, we used the IR spectrum of ammonia to determine the splitting of energy levels due to inversion of the umbrella
More informationDetermining the Concentration of a Solution: Beer s Law
Determining the Concentration of a Solution: Beer s Law Vernier Spectrometer 1 The primary objective of this experiment is to determine the concentration of an unknown copper (II) sulfate solution. You
More informationExperiment 3: The Rovibrational Spectrum of HCl (was Experiment 4 in the syllabus, but the original Experiment 3 was canceled)
Varberg and Kuwata Chemistry 312 Spring 28 Experiment 3: The Rovibrational Spectrum of HCl (was Experiment 4 in the syllabus, but the original Experiment 3 was canceled) Meet for lab on Thursday, April
More informationComputational Chemistry Lab Module: Conformational Analysis of Alkanes
Introduction Computational Chemistry Lab Module: Conformational Analysis of Alkanes In this experiment, we will use CAChe software package to model the conformations of butane, 2-methylbutane, and substituted
More informationI. Pre-Lab Introduction
I. Pre-Lab Introduction Please complete the following pages before the lab by filling in the requested items. A. Atomic notation: Atoms are composed of a nucleus containing neutrons and protons surrounded
More informationCalculating NMR Chemical Shifts for beta-ionone O
Calculating NMR Chemical Shifts for beta-ionone O Molecular orbital calculations can be used to get good estimates for chemical shifts. In this exercise we will calculate the chemical shifts for beta-ionone.
More informationVibrational Raman Spectroscopy
CHEM 3421 1 Background Vibrational Raman Spectroscopy The basic theory of Raman spectroscopy and a partial description of this experimental procedure are given in your lab text 1 as experiment 35. Much
More informationExperiment 13. Dilutions and Data Handling in a Spreadsheet rev 1/2013
Absorbance Experiment 13 Dilutions and Data Handling in a Spreadsheet rev 1/2013 GOAL: This lab experiment will provide practice in making dilutions using pipets and introduce basic spreadsheet skills
More informationMASSACHUSETTS INSTITUTE OF TECHNOLOGY Physics Department. Experiment 03: Work and Energy
MASSACHUSETTS INSTITUTE OF TECHNOLOGY Physics Department Physics 8.01 Fall Term 2010 Experiment 03: Work and Energy Purpose of the Experiment: In this experiment you allow a cart to roll down an inclined
More informationInvestigation 5: Infrared Spectroscopy and Molecular Modeling
2014 Chemistry 120 and Chem110/IR&Modeling/Procedure 1 Investigation 5: Infrared Spectroscopy and Molecular Modeling Question: What do molecules look like and how do they move? How can we make them vibrate?
More informationLaser Raman Spectroscopy: Vibrational Spectrum of CCl 4
PHYSICS 360/460 MODERN PHYSICS LABORATORY EXPERIMENT #22 Laser Raman Spectroscopy: Vibrational Spectrum of C 4 Introduction Determine the vibrational frequencies of carbon tetrachloride using inelastic
More informationLab 11 Simple Harmonic Motion A study of the kind of motion that results from the force applied to an object by a spring
Lab 11 Simple Harmonic Motion A study of the kind of motion that results from the force applied to an object by a spring Print Your Name Print Your Partners' Names Instructions April 20, 2016 Before lab,
More informationCH 112 Special Assignment #4 Chemistry to Dye for: Part C
CH 112 Special Assignment #4 Chemistry to Dye for: Part C PRE-LAB ASSIGNMENT: Make sure that you read this handout and bring the essentials to lab with you. Review Light, energy and color (pp 17-18), Measuring
More informationDate: Summer Stem Section:
Page 1 of 7 Name: Date: Summer Stem Section: Summer assignment: Build a Molecule Computer Simulation Learning Goals: 1. Students can describe the difference between a molecule name and chemical formula.
More informationUsing Microsoft Excel
Using Microsoft Excel Objective: Students will gain familiarity with using Excel to record data, display data properly, use built-in formulae to do calculations, and plot and fit data with linear functions.
More informationModeling the UV-Vis Absorption of a Series of Dyes CH342L: Spectroscopy February 15, 2016
Modeling the UV-Vis Absorption of a Series of Dyes CH342L: Spectroscopy February 15, 2016 We ll correlate the absorbance maximum of a series of dyes with structural changes between them 1. Chemicals absorb
More information5-Sep-15 PHYS101-2 GRAPHING
GRAPHING Objectives 1- To plot and analyze a graph manually and using Microsoft Excel. 2- To find constants from a nonlinear relation. Exercise 1 - Using Excel to plot a graph Suppose you have measured
More informationAssignment A02: Geometry Definition: File Formats, Redundant Coordinates, PES Scans
Assignment A02: Geometry Definition: File Formats, Redundant Coordinates, PES Scans In Assignments A00 and A01, you familiarized yourself with GaussView and G09W, you learned the basics about input (GJF)
More informationNMR and IR spectra & vibrational analysis
Lab 5: NMR and IR spectra & vibrational analysis A brief theoretical background 1 Some of the available chemical quantum methods for calculating NMR chemical shifts are based on the Hartree-Fock self-consistent
More informationSize Determination of Gold Nanoparticles using Mie Theory and Extinction Spectra
Size Determination of Gold Nanoparticles using Mie Theory and Extinction Spectra OUTLINE OF THE PROCEDURE A) Measure the extinction spectra of each of your samples. B) Model the extinction spectrum of
More informationSimple Harmonic Motion
Introduction Simple Harmonic Motion The simple harmonic oscillator (a mass oscillating on a spring) is the most important system in physics. There are several reasons behind this remarkable claim: Any
More informationProject 3: Molecular Orbital Calculations of Diatomic Molecules. This project is worth 30 points and is due on Wednesday, May 2, 2018.
Chemistry 362 Spring 2018 Dr. Jean M. Standard April 20, 2018 Project 3: Molecular Orbital Calculations of Diatomic Molecules In this project, you will investigate the molecular orbitals and molecular
More informationFourier Transform Infrared Spectroscopy (Perkin Elmer - Spectrum One)
Fourier Transform Infrared Spectroscopy (Perkin Elmer - Spectrum One) This operating procedure intends to provide guidance for transmission/absorbance measurements with the FTIR. For additional modes of
More informationProject 2. Chemistry of Transient Species in Planetary Atmospheres: Exploring the Potential Energy Surfaces of CH 2 S
Chemistry 362 Spring 2018 Dr. Jean M. Standard March 21, 2018 Project 2. Chemistry of Transient Species in Planetary Atmospheres: Exploring the Potential Energy Surfaces of CH 2 S In this project, you
More informationThe Coupled Pendulum Experiment
The Coupled Pendulum Experiment In this lab you will briefly study the motion of a simple pendulum, after which you will couple two pendulums and study the properties of this system. 1. Introduction to
More informationCerno Application Note Extending the Limits of Mass Spectrometry
Creation of Accurate Mass Library for NIST Database Search Novel MS calibration has been shown to enable accurate mass and elemental composition determination on quadrupole GC/MS systems for either molecular
More informationOrganometallic Complexes of Molybdenum Carbonyl
Organometallic Complexes of Molybdenum Carbonyl In this experiment, you will synthesize a series of organometallic complexes involving the transition metal molybdenum with the ligands being carbon monoxide
More informationIntroduction to Computational Chemistry Exercise 2
Introduction to Computational Chemistry Exercise 2 Intermolecular interactions and vibrational motion Lecturer: Antti Lignell Name Introduction In this computer exercise, we model intermolecular interactions
More informationBCMB/CHEM 8190 Lab Exercise Using Maple for NMR Data Processing and Pulse Sequence Design March 2012
BCMB/CHEM 8190 Lab Exercise Using Maple for NMR Data Processing and Pulse Sequence Design March 2012 Introduction Maple is a powerful collection of routines to aid in the solution of mathematical problems
More informationYour work from these three exercises will be due Thursday, March 2 at class time.
GEO231_week5_2012 GEO231, February 23, 2012 Today s class will consist of three separate parts: 1) Introduction to working with a compass 2) Continued work with spreadsheets 3) Introduction to surfer software
More informationChemistry 524--Final Exam--Keiderling May 4, :30 -?? pm SES
Chemistry 524--Final Exam--Keiderling May 4, 2011 3:30 -?? pm -- 4286 SES Please answer all questions in the answer book provided. Calculators, rulers, pens and pencils are permitted. No open books or
More informationHEC-HMS Lab 4 Using Frequency Storms in HEC-HMS
HEC-HMS Lab 4 Using Frequency Storms in HEC-HMS Created by Venkatesh Merwade (vmerwade@purdue.edu) Learning outcomes The objective of this lab is to learn how HEC-HMS is used to determine design flow by
More informationDetermining C-H Connectivity: ghmqc and ghmbc (VnmrJ-2.2D Version: For use with the new Software)
Determining C-H Connectivity: ghmqc and ghmbc (VnmrJ-2.2D Version: For use with the new Software) Heteronuclear Multiple Quantum Coherence (HMQC) and Heteronuclear Multiple Bond Coherence (HMBC) are 2-dimensional
More informationHow many states. Record high temperature
Record high temperature How many states Class Midpoint Label 94.5 99.5 94.5-99.5 0 97 99.5 104.5 99.5-104.5 2 102 102 104.5 109.5 104.5-109.5 8 107 107 109.5 114.5 109.5-114.5 18 112 112 114.5 119.5 114.5-119.5
More informationFigure 1. Structures of compounds to be analyzed by IR.
Experiment 4 IR Exercise Reading Assignment Mohrig Chapter 21 and watch IR videos online In this experiment, students will study the infrared (IR) spectra of compounds with different functional groups.
More informationExperiment 4 Radiation in the Visible Spectrum
Experiment 4 Radiation in the Visible Spectrum Emission spectra can be a unique fingerprint of an atom or molecule. The photon energies and wavelengths are directly related to the allowed quantum energy
More informationUsing Tables and Graphing Calculators in Math 11
Using Tables and Graphing Calculators in Math 11 Graphing calculators are not required for Math 11, but they are likely to be helpful, primarily because they allow you to avoid the use of tables in some
More informationInvestigating Food Dyes in Sports Beverages. Sample
Investigating Food Dyes in Sports Beverages Investigation 1 There are many different brands of beverages that fall under the general category of sports drinks. Most of these beverages contain an FD&C food
More informationCHEM 3760 Orgo I, S12, Exp 5 (Lab #6) (TECH 710: IR Unknown)
CHEM 3760 rgo I, S12, Exp 5 (Lab #6) (TECH 710: IR Unknown) LAB REPRT ISTRUCTIS Identifying an Unknown Compound by Infrared Spectroscopy (IR) Carefully read all instructions and complete Section I on page
More informationMeasuring ph with Smart Cuvettes
1 Measuring ph with Smart Cuvettes Hardware Setup for ph Measurements ph is measured in Absorbance mode. Configure your spectroscopy components for Absorbance measurements. Sample Absorbance setups for
More informationScientific Inquiry. Standards B 1.2 & B 1.9
Scientific Inquiry Standards B 1.2 & B 1.9 Scientific Inquiry The student will demonstrate an understanding of how scientific inquiry and technological design, including mathematical analysis, can be used
More informationFree Energy Change and Activation Barrier for a Menshutkin Reaction Including Effects of the Solvent
Proposed Exercise for the Physical Chemistry Section of the Teaching with Cache Workbook: Free Energy Change and Activation Barrier for a Menshutkin Reaction Including Effects of the Solvent Contributed
More informationMolecular Vibrations: The Theory Of Infrared And Raman Vibrational Spectra (Dover Books On Chemistry) Download Free (EPUB, PDF)
Molecular Vibrations: The Theory Of Infrared And Raman Vibrational Spectra (Dover Books On Chemistry) Download Free (EPUB, PDF) Because of its connection with laser technology, the theory of infrared and
More informationMiniature Fiber Optic Spectrometry StellarNet Tutorial
StellarNet Tutorial Using SpectraWiz VBA-NIST-CRI/CQS for MS Excel Contents This tutorial describes the basic measurement procedure for using a StellarNet SpectroRadiometer system with the free SpectraWiz
More informationThe Spring-Mass Oscillator
The Spring-Mass Oscillator Goals and Introduction In this experiment, we will examine and quantify the behavior of the spring-mass oscillator. The spring-mass oscillator consists of an object that is free
More informationConnect the Vernier spectrometer to your lap top computer and power the spectrometer if necessary. Start LoggerPro on your computer.
Connect the Vernier spectrometer to your lap top computer and power the spectrometer if necessary. Start LoggerPro on your computer. The screen shown in Fig. 1 may be displayed. If status line displays
More informationNuclear Magnetic Resonance
Nuclear Magnetic Resonance Most of you should have learned about NMR in your organic course. Just to underscore that learning, let me say that NMR is arguably the best technique we have for characterizing
More informationREPLACE DAMAGED OR MISSING TEXTBOOK BARCODE LABEL
Destiny Textbook Manager allows users to create and print replacement barcode labels for textbooks. In this tutorial you will learn how to: Replace damaged textbook barcode label(s) Replace missing textbook
More informationDiphenylpolyene Dye Spectra
Diphenylpolyene Dye Spectra The purpose of this lab is to interpret uv-visible spectra of three diphenyl polyenes. The uv-visible transitions are compared to a particle-in-a-box model and to transitions
More informationMotion II. Goals and Introduction
Motion II Goals and Introduction As you have probably already seen in lecture or homework, and if you ve performed the experiment Motion I, it is important to develop a strong understanding of how to model
More informationUniformly Accelerated Motion
Uniformly Accelerated Motion 2-1 Uniformly Accelerated Motion INTRODUCTION All objects on the earth s surface are being accelerated toward the center of the earth at a rate of 9.81 m/s 2. 1 This means
More informationMEASUREMENT: PART II
1 MEASUREMENT: PART II Copyright: Department of Chemistry, University of Idaho, Moscow, ID 83844-2343, 2013. INTRODUCTION Read and/or review Section 1.7 and Figure 7.5 in your textbook. The first part
More informationConformational Analysis of n-butane
Conformational Analysis of n-butane In this exercise you will calculate the Molecular Mechanics (MM) single point energy of butane in various conformations with respect to internal rotation around the
More informationIFM Chemistry Computational Chemistry 2010, 7.5 hp LAB2. Computer laboratory exercise 1 (LAB2): Quantum chemical calculations
Computer laboratory exercise 1 (LAB2): Quantum chemical calculations Introduction: The objective of the second computer laboratory exercise is to get acquainted with a program for performing quantum chemical
More informationDesigning Information Devices and Systems I Spring 2018 Homework 11
EECS 6A Designing Information Devices and Systems I Spring 28 Homework This homework is due April 8, 28, at 23:59. Self-grades are due April 2, 28, at 23:59. Submission Format Your homework submission
More informationPOC via CHEMnetBASE for Identifying Unknowns
Table of Contents A red arrow is used to identify where buttons and functions are located in CHEMnetBASE. Figure Description Page Entering the Properties of Organic Compounds (POC) Database 1 CHEMnetBASE
More informationDetermining the Concentration of a Solution: Beer s Law
Determining the Concentration of a Solution: Beer s Law LabQuest 11 The primary objective of this experiment is to determine the concentration of an unknown nickel (II) sulfate solution. You will be using
More informationEnergy. Position, x 0 L. Spectroscopy and the Particle-in-a-Box. Introduction
Spectroscopy and the Particle-in-a-Box Introduction The majority of colors that we see result from transitions between electronic states that occur as a result of selective photon absorption. For a molecule
More informationa. Follow the Start-Up Procedure in the laboratory manual. Note the safety rules.
Lab #1 - Free Vibration Name: Date: Section / Group: Procedure Steps (from lab manual): a. Follow the Start-Up Procedure in the laboratory manual. Note the safety rules. b. Locate the various springs and
More informationIntroduction to Computer Tools and Uncertainties
Experiment 1 Introduction to Computer Tools and Uncertainties 1.1 Objectives To become familiar with the computer programs and utilities that will be used throughout the semester. To become familiar with
More informationISIS/Draw "Quick Start"
ISIS/Draw "Quick Start" Click to print, or click Drawing Molecules * Basic Strategy 5.1 * Drawing Structures with Template tools and template pages 5.2 * Drawing bonds and chains 5.3 * Drawing atoms 5.4
More informationDynamics Track Momentum, Energy, and Collisions
Dynamics Track Momentum, Energy, and Collisions Student Handout Collisions between objects create some interesting questions about which conservation laws apply. In this lab you will be comparing elastic
More informationInvestigating Factors that Influence Climate
Investigating Factors that Influence Climate Description In this lesson* students investigate the climate of a particular latitude and longitude in North America by collecting real data from My NASA Data
More informationSession #1: Theoretical background and computer simulations of molecular vibrations.
Raman Spectroscopy Session #1: Theoretical background and computer simulations of molecular vibrations. Goals: Understand the origin of the Raman effect. Understand the vibrational normal modes of molecules.
More informationPOC via CHEMnetBASE for Identifying Unknowns
Table of Contents A red arrow was used to identify where buttons and functions are located in CHEMnetBASE. Figure Description Page Entering the Properties of Organic Compounds (POC) Database 1 Swain Home
More informationGeneral Chemistry Lab Molecular Modeling
PURPOSE The objectives of this experiment are PROCEDURE General Chemistry Lab Molecular Modeling To learn how to use molecular modeling software, a commonly used tool in chemical research and industry.
More informationComputer simulation of radioactive decay
Computer simulation of radioactive decay y now you should have worked your way through the introduction to Maple, as well as the introduction to data analysis using Excel Now we will explore radioactive
More informationDOWNLOAD OR READ : INFRARED AND RAMAN SPECTROSCOPY CONCEPTS AND APPLICATIONS PDF EBOOK EPUB MOBI
DOWNLOAD OR READ : INFRARED AND RAMAN SPECTROSCOPY CONCEPTS AND APPLICATIONS PDF EBOOK EPUB MOBI Page 1 Page 2 infrared and raman spectroscopy concepts and applications infrared and raman spectroscopy
More informationIntroduction to Ab Initio Quantum Chemical Computation
c:\374-17\computation\computation17.doc for 9mar17 Prof. Patrik Callis 8mar17 Introduction to Ab Initio Quantum Chemical Computation Purpose: 1. To become acquainted with basic concepts of ab initio quantum
More informationChem Page IX - 1 LAB MANUAL Differential Scanning Calorimetry 09_dsc131.docx EXPERIMENT IX
Chem 366-3 Page IX - 1 LAB MANUAL Differential Scanning Calorimetry 09_dsc131.docx EXPERIMENT IX KINETICS OF DECOMPOSITION OF SODIUM BICARBONATE; A DIFFERENTIAL SCANNING CALORIMETRY EXPERIMENT 1. Purpose
More informationGeneral Chemistry (CHEM ) Intermolecular Forces, Phase Transitions, Solution Properties Dr. Bennett
Name Slayter Box Hour Examination 1 January 29, 2003 General Chemistry (CHEM 122-01) Intermolecular Forces, Phase Transitions, Solution Properties Dr. Bennett Please do not open until instructed Chemistry
More informationWikipedia - Stellar classification:
Stars and Hertzprung-Russell Diagram Introductory Astronomy laboratory exercise with Stellarium Mike Chu Name Stellarium is an open source and cross-platform application from www.stellarium.org. A star
More informationA Scientific Model for Free Fall.
A Scientific Model for Free Fall. I. Overview. This lab explores the framework of the scientific method. The phenomenon studied is the free fall of an object released from rest at a height H from the ground.
More informationInstytut Fizyki Doświadczalnej Wydział Matematyki, Fizyki i Informatyki UNIWERSYTET GDAŃSKI
Instytut Fizyki Doświadczalnej Wydział Matematyki, Fizyki i Informatyki UNIWERSYTET GDAŃSKI Experiment 20 : Studying light absorption in terphenyl I. Background theory. 1. 2. 3. 4. 5. 6. 7. Electromagnetic
More informationChemistry 883 Computational Quantum Chemistry
Chemistry 883 Computational Quantum Chemistry Instructor Contact Information Professor Benjamin G. Levine levine@chemistry.msu.edu 215 Chemistry Building 517-353-1113 Office Hours Tuesday 9:00-11:00 am
More informationRATE LAW DETERMINATION OF CRYSTAL VIOLET HYDROXYLATION
Rate Law Determination of Crystal Violet Hydroxylation Revised 5/22/12 RATE LAW DETERMINATION OF CRYSTAL VIOLET HYDROXYLATION Adapted from "Chemistry with Computers" Vernier Software, Portland OR, 1997
More informationZetasizer Nano-ZS User Instructions
Zetasizer Nano-ZS User Instructions 1. Activate the instrument computer by logging in to CORAL. If needed, log in to the local instrument computer Username: zetasizer. Password: zetasizer. 2. Instrument
More informationDetermining Empirical Formulas Answers Chemistry If8766
Empirical If8766 Free PDF ebook Download: Empirical If8766 Download or Read Online ebook determining empirical formulas answers chemistry if8766 in PDF Format From The Best User Guide Database Modeling.
More informationElastic and Inelastic Collisions
Physics Topics Elastic and Inelastic Collisions If necessary, review the following topics and relevant textbook sections from Serway / Jewett Physics for Scientists and Engineers, 9th Ed. Kinetic Energy
More informationChemical Kinetics: Integrated Rate Laws. ** updated Procedure for Spec 200 use **
Chemical Kinetics: Integrated Rate Laws ** updated Procedure for Spec 200 use ** *DISCLAIMER: It is highly recommended that students bring in their own computers to lab this week to use excel. There may
More information