Chem 203 December 15, Final Exam Part I (40 points) THIS FINAL EXAM CONSISTS OF PART I AND TWO OUT OF THE THREE PROBLEMS FROM PART II
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1 Name: Chem 203 December 15, 2012 Final Exam Part I (40 points) TIS FINAL EXAM CNSISTS F PART I AND TW UT F TE TREE PRBLEMS FRM PART II IF TREE PRBLEMS FRM PART II ARE SUBMITTED, NLY TE FIRST TW (Part II, PRBLEMS 1-2) WILL BE GRADED If you wish to unstaple the pages, please initial each page. Books, notes, lecture videos, calculators, rulers, and laptop computers are permitted as is wireless (or wired) internet access and appropriate software (e.g, PyML, Maestro/MacroModel, Excel, ChemDoodle, Chemdraw, ElComp, MolE, etc.). Communication with other students by , text, or in person is not permitted. Catalogs of molecular structures (e.g., the Aldrich catalog, the Merck Index, etc.) or databases of molecular structures (such as wireless access to SciFinder Scholar, the Sigma- Aldrich website, etc.) are NT PERMITTED. INAPPRPRIATE CMMUNICATIN R USE F SUC ITEMS CNSTITUTES ACADEMIC DISNNESTY, WILL RESULT IN A FAILING GRADE (F) IN TE CLASS, AND MAY RESULT IN EXPULSIN FRM TE Ph.D. PRGRAM. 1 This work by Dr. James S. Nowick, Professor of Chemistry, University of California, Irvine, is licensed under a Creative Commons Attribution 4.0 International License.
2 The following spectral data are provided for a tricyclic compound: Mz 1 NMR, Mz 13 C NMR, DEPT, CSY, TCSY, MQC, MBC, NESY, and SQC-TCSY spectra with 5-, 10-, 20-, and 100-ms mixing times. All NMR spectra were measured in C 6 D 6 solution. 3 C Using these data, determine the stereochemistry and assign all of the 1 and 13 C resonances to their respective atoms in the structure. Specifically, assign the stereochemistry of the two stereocenters shown with squiggly lines, and hence which of the four possible diastereomers (1, 2, 3, or 4) is consistent with these data. 3 C 1 3 C 2 3 C 3 3 C 4 MAKE SURE T CMPLETELY ANSWER TE QUESTINS a-g N PAGES This work by Dr. James S. Nowick, Professor of Chemistry, University of California, Irvine, is licensed under a Creative Commons Attribution 4.0 International License.
3 a. Build energy-minimized molecular models of diastereomers 1, 2, 3, and 4 using PyML and the "clean" function. Rotate each molecule into an appropriate orientation. Use the side menu (S) to show each molecule as sticks (Show-sticks). Use the pulldown menu to display each molecule in maximum quality with (Display-Quality-Maximum Quality). Save the.pse files as diastereomer1.pse, diastereomer2.pse, diastereomer3.pse, and diastereomer4.pse. Feel free to use the trans-decalin template.pse file or.pdb file on the course web page "Simple Conformational Analysis of Cyclic and Bicyclic Compounds" which is linked to the "Assignments" and "Class Materials" web pages. You are also welcome to just make your own trans-decalin. NTE: For diastereomer 4 you will have to build the B ring in a boat conformation, because the B C ring junction does not allow the B ring to adopt a chair conformation. After minimization, the B ring should be in a twist-boat conformation. The A B ring junction will look like that of the other diasteromers, but the B C ring junction will be enforcing a twist-boat conformation of the B ring. If you would like to review the conformations of cyclohexane, please see my Chem 52A course web page "Cyclohexanes" at: The page contains links to.pdb files of boat and twist-boat cyclohexane, which can be opened in PyML. If you would like to see an example of a related exercise in which ring fusion induces a twist boat conformation in a cyclohexane ring, please see my course web page "Perhydroanthracenes" and the associated.pdb files at: C A B 3 C the.pse files to me (jsnowick@uci.edu). 3 This work by Dr. James S. Nowick, Professor of Chemistry, University of California, Irvine, is licensed under a Creative Commons Attribution 4.0 International License.
4 b. Examine the 1 NMR spectra and familiarize yourself with the resonances, which have been lettered a l for you. Examine the 13 C NMR spectra and number the sixteen unique resonances associated with the molecule Examine the DEPT spectra and identify the quaternary (C), methine (C), methylene (C 2 ), and methyl ( ) peaks. NTE: Although the DEPT 90 contains small resonances associated with the methyl and methylene groups, it is easy to identify the methine groups. Examine the MQC spectra and correlate the numbers of 13 C resonances with the letters of the 1 resonances. Finally, examine the SQC-TCSY spectrum with 100-ms mixing time and identify which methine and methylene resonances are associated with the three main spin systems in the molecule, which we will call the A-ring spin system, the B-ring spin system, and the C-ring spin system: Numbers associated with the 13 C resonances associated with the A-ring spin system:,,. Numbers associated with the 13 C resonances associated with the B-ring spin system:,,. Numbers associated with the 13 C resonances associated with the C-ring spin system:,. c. Examine the SQC-TCSY spectra with 5, 10, 20, and 100-ms mixing times. Assign the five methine and methylene 13 C resonances from the B- and C-ring spin systems, to the corresponding atoms in the structure, below. That is, write the number next to the atom in the structure below. C A B 3 C NTE: Work the problem the way we did in class and is described in the assigned reading in "Two- Dimensional NMR Spectroscopy: Applications for Chemists and Biochemists." Start with the track that grows in under 1 resonances a and b and assign one spin system. Then work with the track that grows in under 1 resonance c and assign another spin system. 4 This work by Dr. James S. Nowick, Professor of Chemistry, University of California, Irvine, is licensed under a Creative Commons Attribution 4.0 International License.
5 d. Use the MBC spectrum and particularly the expansion that gives the higher-level contours of the isolated methyl groups to assign the remaining 13 C resonances to the corresponding atoms in the structure, below. That is, write the number next to the atom in the structure below. 3 C e. Use the NESY spectrum to stereospecifically assign the diastereotopic geminal dimethyl 13 C resonances to the corresponding atoms in the structure, below. That is, write the number next to the atom in the structure below. INT: Consider the proximity of the methyl groups to each other; use the models that you have built in Part a for insights. Transcribe your other numbers from Parts c and d, so that every carbon is numbered. Write the letters of the corresponding 1 resonances next to the numbers. 3 C 5 This work by Dr. James S. Nowick, Professor of Chemistry, University of California, Irvine, is licensed under a Creative Commons Attribution 4.0 International License.
6 f. Determine the stereochemistry of the molecule. Which diastereomer is it? Explain how you determined the stereochemistry of the molecule. Make a conformationally realistic drawing of the molecule to help aid in your explanation. If there are any aspects of the stereochemistry you are uncertain about, please include this in your explanation. g. Insofar as possible, assign the 1 resonances to the corresponding atoms in the structure, below. That is, write the letter (a l) next to the atom in the structure below. You will not likely be able to assign them all. Explain briefly about those that you are uncertain. 3 C 6 This work by Dr. James S. Nowick, Professor of Chemistry, University of California, Irvine, is licensed under a Creative Commons Attribution 4.0 International License.
7 Integral spectrum
8 DU=/v, USER=nmr12t, NAME=Fin_1_500, EXPN=1, PRCN=1 F1=100, F2=-0.000, MI=0.25cm, MAXI= cm, PC=4.000 # ADDRESS FREQUENCY INTENSITY [z] [PPM]
9 Integral spectrum a b c d e f g h i j k l
10 Integral spectrum a b c
11 Integral spectrum d e
12 Integral spectrum f g h i j k l
13 Z-restored spin-echo 13C spectrum with 1 decoupling C6D C{1} dept135 C6D5 dept90 C6D5 X X X
14 Z-restored spin-echo 13C spectrum with 1 decoupling C{1} dept135 X X X dept
15 Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 5 PRCN 2 CSY F2 - Acquisition Parameters Date_ Time INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG cosygp60.prd TD 2048 SLVENT C6D6 NS 4 DS 16 SW z FIDRES z AQ sec RG 2.5 DW usec DE 6.00 usec TE K d sec D sec d sec D sec IN sec ======== CANNEL f1 ======== NUC1 1 P usec PL db SF Mz ====== GRADIENT CANNEL ===== GPNAM1 sine.100 GPNAM2 sine.100 GPX % GPX % GPY % GPY % GPZ % GPZ % P usec F1 - Acquisition parameters ND0 1 TD 512 SF Mz FIDRES z SW FnMDE undefined F2 - Processing parameters SI 256 SF Mz WDW SINE LB 0.00 z PC 1.40 F1 - Processing parameters SI 256 MC2 QF SF Mz WDW SINE LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I 0.27 z F1PL F1L z F1PI F1I 0.27 z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
16 TCSY Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 6 PRCN 2 F2 - Acquisition Parameters Date_ Time INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG mlevgp_mo TD 2048 SLVENT C6D6 NS 4 DS 16 SW z FIDRES z AQ sec RG 2.5 DW usec DE 6.00 usec TE K d sec D sec D sec d sec D sec FACTR1 4 IN sec l1 24 SCALEF 6 ======== CANNEL f1 ======== NUC1 1 P usec p usec P usec p usec P usec PL db PL db SF Mz ====== GRADIENT CANNEL ===== GPNAM1 sine.100 GPNAM2 sine.100 GPX % GPX % GPY % GPY % GPZ % GPZ % P usec F1 - Acquisition parameters ND0 1 TD 512 SF Mz FIDRES z SW FnMDE undefined F2 - Processing parameters SI 256 SF Mz WDW SINE LB 0.00 z PC 1.40 F1 - Processing parameters SI 256 MC2 QF SF Mz WDW SINE LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I 0.04 z F1PL F1L z F1PI F1I 0.04 z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
17 ghmqc Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 7 PRCN 1 F2 - Acquisition Parameters Date_ Time 1.10 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG inv4gp.wu TD 2048 SLVENT C6D6 NS 4 DS 16 SW z FIDRES z AQ sec RG 2048 DW usec DE 6.50 usec TE K CNST d sec D sec d sec d sec d sec D sec d sec IN sec 20 ======== CANNEL f1 ======== NUC1 1 P usec p usec PL db SF Mz ======== CANNEL f2 ======== CPDPRG2 garp NUC2 13C P usec PCPD usec PL2-0 db PL db SF Mz 30 ====== GRADIENT CANNEL ===== GPNAM1 sine.100 GPNAM2 sine.100 GPNAM3 sine.100 GPX % GPX % GPX % GPY % GPY % GPY % GPZ % GPZ % GPZ % P usec 40 F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE undefined F2 - Processing parameters SF Mz WDW EM LB 5.00 z PC F1 - Processing parameters MC2 QF SF Mz WDW QSINE SSB 3 LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
18 ghmqc Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 7 PRCN 1 F2 - Acquisition Parameters Date_ Time 1.10 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG inv4gp.wu TD 2048 SLVENT C6D6 NS 4 DS 16 SW z FIDRES z AQ sec RG 2048 DW usec DE 6.50 usec TE K CNST d sec D sec d sec d sec d sec D sec d sec IN sec ======== CANNEL f1 ======== NUC1 1 P usec p usec PL db SF Mz 38 ======== CANNEL f2 ======== CPDPRG2 garp NUC2 13C P usec PCPD usec PL2-0 db PL db SF Mz ====== GRADIENT CANNEL ===== GPNAM1 sine.100 GPNAM2 sine.100 GPNAM3 sine.100 GPX % GPX % GPX % GPY % GPY % GPY % GPZ % GPZ % GPZ % P usec 39 F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE undefined F2 - Processing parameters SF Mz WDW EM LB 5.00 z PC 1.40 F1 - Processing parameters MC2 QF SF Mz WDW QSINE SSB 3 LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
19 ghmqc Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 7 PRCN 1 F2 - Acquisition Parameters Date_ Time 1.10 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG inv4gp.wu TD 2048 SLVENT C6D6 NS 4 DS 16 SW z FIDRES z AQ sec RG 2048 DW usec DE 6.50 usec TE K CNST d sec D sec d sec d sec d sec D sec d sec IN sec ======== CANNEL f1 ======== NUC1 1 P usec p usec PL db SF Mz 18 ======== CANNEL f2 ======== CPDPRG2 garp NUC2 13C P usec PCPD usec PL2-0 db PL db SF Mz 19 ====== GRADIENT CANNEL ===== GPNAM1 sine.100 GPNAM2 sine.100 GPNAM3 sine.100 GPX % GPX % GPX % GPY % GPY % GPY % GPZ % GPZ % GPZ % P usec 20 F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE undefined F2 - Processing parameters SF Mz WDW EM LB 5.00 z PC F1 - Processing parameters MC2 QF SF Mz WDW QSINE SSB 3 LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
20 ghmbc optimised for 10 z couplings Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 8 PRCN 1 F2 - Acquisition Parameters Date_ Time 2.14 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG ghmbc.wu TD 4096 SLVENT C6D6 NS 2 DS 16 SW z FIDRES z AQ sec RG DW usec DE 6.00 usec TE K CNST d sec D sec d sec D sec d sec D sec IN sec 50 ======== CANNEL f1 ======== NUC1 1 P usec p usec PL db SF Mz ======== CANNEL f2 ======== NUC2 13C P usec PL2-0 db SF Mz 100 ====== GRADIENT CANNEL ===== GPNAM1 sine.100 GPNAM2 sine.100 GPNAM3 sine.100 GPX % GPX % GPX % GPY % GPY % GPY % GPZ % GPZ % GPZ % P usec F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE undefined F2 - Processing parameters SI 2048 SF Mz WDW SINE LB 0.00 z PC F1 - Processing parameters MC2 QF SF Mz WDW SINE LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I 0.27 z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
21 ghmbc optimised for 10 z couplings 20 Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 8 PRCN 1 F2 - Acquisition Parameters Date_ Time 2.14 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG ghmbc.wu TD 4096 SLVENT C6D6 NS 2 DS 16 SW z FIDRES z AQ sec RG DW usec DE 6.00 usec TE K CNST d sec D sec d sec D sec d sec D sec IN sec ======== CANNEL f1 ======== NUC1 1 P usec p usec PL db SF Mz ======== CANNEL f2 ======== NUC2 13C P usec PL2-0 db SF Mz 40 ====== GRADIENT CANNEL ===== GPNAM1 sine.100 GPNAM2 sine.100 GPNAM3 sine.100 GPX % GPX % GPX % GPY % GPY % GPY % GPZ % GPZ % GPZ % P usec 60 F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE undefined F2 - Processing parameters SI 2048 SF Mz WDW SINE LB 0.00 z PC F1 - Processing parameters MC2 QF SF Mz WDW SINE LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
22 Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 9 PRCN 2 NESY F2 - Acquisition Parameters Date_ Time 3.06 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG noesygptp TD 2048 SLVENT C6D6 NS 4 DS 16 SW z FIDRES z AQ sec RG 9 DW usec DE 6.00 usec TE K D sec D sec D sec D sec d sec IN sec ======== CANNEL f1 ======== NUC1 1 P usec P usec PL db SF Mz X ====== GRADIENT CANNEL ===== GPNAM1 sine.100 GPNAM2 sine.100 GPX % GPX % GPY % GPY % GPZ % GPZ % P usec X X F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW F2 - Processing parameters SI 256 SF Mz WDW QSINE SSB 2 LB 0.00 z PC 1.40 F1 - Processing parameters SI 256 MC2 TPPI SF Mz WDW QSINE SSB 2 LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I 0.27 z F1PL F1L z F1PI F1I 0.27 z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
23 5ms SQC-TCSY (hsqcetgpml) 20 Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 10 PRCN 1 F2 - Acquisition Parameters Date_ Time 5.15 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG hsqcetgpml TD 2048 SLVENT C6D6 NS 2 DS 32 SW z FIDRES z AQ sec RG DW usec DE 6.50 usec TE K CNST d sec D sec d sec D sec d sec d sec d sec D sec DELTA sec DELTA sec FACTR1 0 IN sec l1 0 MCREST sec MCWRK sec SCALEF 6 ST1CNT 256 ======== CANNEL f1 ======== NUC1 1 P usec p usec p usec P usec p usec P usec P usec PL db PL db SF Mz 30 ======== CANNEL f2 ======== CPDPRG2 garp NUC2 13C P usec p4 30 usec PCPD usec PL2-0 db PL db SF Mz 40 ====== GRADIENT CANNEL ===== GPNAM1 SINE.100 GPNAM2 SINE.100 GPX % GPX % GPY % GPY % GPZ % GPZ % P usec F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE Echo-Antiecho 50 F2 - Processing parameters SF Mz WDW EM LB 5.00 z PC 1.40 F1 - Processing parameters MC2 echo-antiecho SF Mz WDW QSINE SSB 3 LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I 0.27 z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
24 10ms SQC-TCSY (hsqcetgpml) 20 Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 11 PRCN 1 F2 - Acquisition Parameters Date_ Time 6.05 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG hsqcetgpml TD 2048 SLVENT C6D6 NS 2 DS 32 SW z FIDRES z AQ sec RG DW usec DE 6.50 usec TE K CNST d sec D sec d sec D sec d sec d sec d sec D sec DELTA sec DELTA sec FACTR1 0 IN sec l1 0 MCREST sec MCWRK sec SCALEF 6 ST1CNT 256 ======== CANNEL f1 ======== NUC1 1 P usec p usec p usec P usec p usec P usec P usec PL db PL db SF Mz 30 ======== CANNEL f2 ======== CPDPRG2 garp NUC2 13C P usec p4 30 usec PCPD usec PL2-0 db PL db SF Mz 40 ====== GRADIENT CANNEL ===== GPNAM1 SINE.100 GPNAM2 SINE.100 GPX % GPX % GPY % GPY % GPZ % GPZ % P usec F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE Echo-Antiecho 50 F2 - Processing parameters SF Mz WDW EM LB 5.00 z PC 1.40 F1 - Processing parameters MC2 echo-antiecho SF Mz WDW QSINE SSB 3 LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
25 20ms SQC-TCSY (hsqcetgpml) 20 Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 12 PRCN 1 F2 - Acquisition Parameters Date_ Time 6.55 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG hsqcetgpml TD 2048 SLVENT C6D6 NS 2 DS 32 SW z FIDRES z AQ sec RG DW usec DE 6.50 usec TE K CNST d sec D sec d sec D sec d sec d sec d sec D sec DELTA sec DELTA sec FACTR1 1 IN sec l1 6 MCREST sec MCWRK sec SCALEF 6 ST1CNT 256 ======== CANNEL f1 ======== NUC1 1 P usec p usec p usec P usec p usec P usec P usec PL db PL db SF Mz 30 ======== CANNEL f2 ======== CPDPRG2 garp NUC2 13C P usec p4 30 usec PCPD usec PL2-0 db PL db SF Mz 40 ====== GRADIENT CANNEL ===== GPNAM1 SINE.100 GPNAM2 SINE.100 GPX % GPX % GPY % GPY % GPZ % GPZ % P usec F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE Echo-Antiecho 50 F2 - Processing parameters SF Mz WDW EM LB 5.00 z PC 1.40 F1 - Processing parameters MC2 echo-antiecho SF Mz WDW QSINE SSB 3 LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I 0.27 z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
26 100ms SQC-TCSY (hsqcetgpml) 20 Current Data Parameters USER nmr12t NAME Fin_1_500 EXPN 13 PRCN 1 F2 - Acquisition Parameters Date_ Time 7.46 INSTRUM cryo500 PRBD 5 mm CPTCI 1- PULPRG hsqcetgpml TD 2048 SLVENT C6D6 NS 2 DS 32 SW z FIDRES z AQ sec RG DW usec DE 6.50 usec TE K CNST d sec D sec d sec D sec d sec d sec d sec D sec DELTA sec DELTA sec FACTR1 7 IN sec l1 42 MCREST sec MCWRK sec SCALEF 6 ST1CNT 256 ======== CANNEL f1 ======== NUC1 1 P usec p usec p usec P usec p usec P usec P usec PL db PL db SF Mz 30 ======== CANNEL f2 ======== CPDPRG2 garp NUC2 13C P usec p4 30 usec PCPD usec PL2-0 db PL db SF Mz 40 ====== GRADIENT CANNEL ===== GPNAM1 SINE.100 GPNAM2 SINE.100 GPX % GPX % GPY % GPY % GPZ % GPZ % P usec F1 - Acquisition parameters ND0 2 TD 512 SF Mz FIDRES z SW FnMDE Echo-Antiecho 50 F2 - Processing parameters SF Mz WDW EM LB 5.00 z PC 1.40 F1 - Processing parameters MC2 echo-antiecho SF Mz WDW QSINE SSB 3 LB 0.00 z 2D NMR plot parameters CX cm CX cm F2PL F2L z F2PI F2I z F1PL F1L z F1PI F1I z F2PPMCM /cm F2ZCM z/cm F1PPMCM /cm F1ZCM z/cm
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