INDIRECT C-13-C-13 COUPLINGS IN BENZENE AND THE CONTRIBUTION OF THEIR ANISOTROPIES TO THE DIRECT COUPLINGS IN THE ORIENTED MOLECULE

被引：17

作者：

DIEHL, P

BOSIGER, H

JOKISAARI, J

机构：

[1] Department of Physics, University of Basel, Basel, CH-4056

来源：

ORGANIC MAGNETIC RESONANCE | 1979年 / 12卷 / 05期

关键词：

D O I：

10.1002/mrc.1270120506

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The indirect ortho and para carbon‐carbon coupling constants in benzene were determined utilizing the deuterium isotope effect on the carbon chemical shifts in 1‐d1‐ and 1,3,5‐d3‐benzene. The measurements gave for J(CC, ortho) and J(CC, para) the values of 55.3 ± 0.5 Hz and 10.08 ± 0.10 Hz, respectively. The ratios of the direct dipolar CC coupling constants were calculated using the previous results of 1‐13C‐benzene in an oriented phase. These ratios differ from the theoretical ones obtained assuming the benzene ring to be hexagonal, showing significant indirect contributions in the D values. Copyright © 1979 Heyden & Son Ltd.

引用

页码：282 / 283

页数：2

共 6 条

[1] VIBRATIONALLY AVERAGED STRUCTURES OF ETHYLENE, ETHYLENE-1-C-13 AND ETHYLENE-1,2-C-13 AS DETERMINED BY NMR OF PARTIALLY ORIENTED MOLECULES
DIEHL, P
SYKORA, S
WULLSCHLEGER, E
[J]. MOLECULAR PHYSICS, 1975, 29 (01) : 305 - 306
[2] DIEHL P, J MAGN RESON
[3] LONG-RANGE C-13-C-13 COUPLING-CONSTANTS - REVIEW
HANSEN, PE
[J]. ORGANIC MAGNETIC RESONANCE, 1978, 11 (05): : 215 - 232
[4] LONG-RANGE CARBON-CARBON SPIN-SPIN COUPLING-CONSTANTS FROM 1-C-13-LABELED TOLUENE
MARSHALL, JL
MILLER, DE
IHRIG, AM
[J]. JOURNAL OF MOLECULAR SPECTROSCOPY, 1972, 43 (02) : 323 - &
[5] ANISOTROPY OF INDIRECT CARBON-MERCURY AND CARBON-CARBON NUCLEAR SPIN COUPLING-CONSTANTS IN DIMETHYL MERCURY
SCHUMANN, C
DREESKAMP, H
HILDENBRAND, K
[J]. JOURNAL OF MAGNETIC RESONANCE, 1975, 18 (01) : 97 - 106
[6] WEIGERT FJ, COMMUNICATION

← 1 →