Based on the following 1H NMR spectra for LDA. Need help calculating the large and small coupling constants. Batch 3Sample 6BRUKERCurrent Data ParametersNAMEEXPNOPROCNO3rdyr-2105261CH3F2 - Acquisition ParametersDate_Time2021052612.08 h„CH3INSTRUMspectPROBHDz104450_0319 (CH3zg3065536CDC131628012.820 Hz0.244532 Hz4.0894465 sec3262.400 usec17.77 usec298.2 K1.00000000 sec1400.1324708 MHzPULPROGTDSOLVENTNSDSHMSFIDRESAQRG8.48.28.07.87.67.47.27.0рpmDWDETED1TDOSFO1NUC1POP1PLW11H3.33 usec10.00 usec15.00000000 wF2 - Processing parameters65536400.1300891 MHzSISFWDWSBEMLB0.30 HzGBPC1.008.762ppmLO96'00.8700'L

The splitting of the signal containing the two adjacent peaks gives the coupling constant (J) value.…

Current Data Parameters NAME EXPNO PROCNO 3rdyr-210526 6 1 CH3 CH F2 - Acquisition Parameters Date Time 20210526 12.08 h INSTRUM PROBHD PULPROG apect z104450_0319 ( zg30 65536 CDC13 16 2 8012.820 Hz 0.244532 Hz CH3 TD SOLVENT NS DS CI SWH FIDRES 4.0894465 sec 32 62.400 usec 17.77 usec 298.2 K 1.00000000 sec 1 400.1324708 MHz AQ RG DW DE 8.4 8.2 8.0 7.8 7.6 7.4 7.2 7.0 ppm TE D1 TDO SFO1 NUC1 PO P1 PLW1 1H 3.33 usec 10.00 usec 15.0000000 w F2 - SI SF WDW SSB Processing parameters 65536 400.1300891 MHz EM 0.30 Hz LB GB PC 1.00 8 7 5 4 3 2 1 ppm 96'0 0.87 00'L

Current Data Parameters NAME EXPNO PROCNO 3rdyr-210526 6 1 CH3 CH F2 - Acquisition Parameters Date Time 20210526 12.08 h INSTRUM PROBHD PULPROG apect z104450_0319 ( zg30 65536 CDC13 16 2 8012.820 Hz 0.244532 Hz CH3 TD SOLVENT NS DS CI SWH FIDRES 4.0894465 sec 32 62.400 usec 17.77 usec 298.2 K 1.00000000 sec 1 400.1324708 MHz AQ RG DW DE 8.4 8.2 8.0 7.8 7.6 7.4 7.2 7.0 ppm TE D1 TDO SFO1 NUC1 PO P1 PLW1 1H 3.33 usec 10.00 usec 15.0000000 w F2 - SI SF WDW SSB Processing parameters 65536 400.1300891 MHz EM 0.30 Hz LB GB PC 1.00 8 7 5 4 3 2 1 ppm 96'0 0.87 00'L

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter30: Kinetic Methods Of Analysis

Section: Chapter Questions

Problem 30.2QAP

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Question

Based on the following ¹H NMR spectra for LDA. Need help calculating the large and small coupling constants.

Batch 3
Sample 6
BRUKER
Current Data Parameters
NAME
EXPNO
PROCNO
3rdyr-210526
1
CH3
F2 - Acquisition Parameters
Date_
Time
20210526
12.08 h
„CH3
INSTRUM
spect
PROBHD
z104450_0319 (
CH3
zg30
65536
CDC13
16
2
8012.820 Hz
0.244532 Hz
4.0894465 sec
32
62.400 usec
17.77 usec
298.2 K
1.00000000 sec
1
400.1324708 MHz
PULPROG
TD
SOLVENT
NS
DS
HMS
FIDRES
AQ
RG
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
рpm
DW
DE
TE
D1
TDO
SFO1
NUC1
PO
P1
PLW1
1H
3.33 usec
10.00 usec
15.00000000 w
F2 - Processing parameters
65536
400.1300891 MHz
SI
SF
WDW
SB
EM
LB
0.30 Hz
GB
PC
1.00
8.
7
6
2
ppm
LO
96'0
0.87
00'L

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