The anomalous deuterium isotope effect in the NMR spectrum of methane: An analysis in localized molecular orbitals

被引:12
作者
Sauer, Stephan P. A. [1 ]
Provasi, Patricio F. [2 ]
机构
[1] Univ Copenhagen, Dept Chem, Copenhagen 100, Denmark
[2] Northeastern Univ, Dept Phys, RA-3404 Corrientes, Argentina
关键词
chemical shifts; deuterium isotope effect; localized molecular orbitals; NMR spectroscopy; spin-spin coupling;
D O I
10.1002/cphc.200800119
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Anomaly explained: The secondary isotope effect on the carbon-hydrogen indirect nuclear spin-spin coupling constant in methane, which is larger than the primary isotope effect, is explained in terms of contributions to the coupling constant from localized molecular orbitals. (Graph Presented) © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:1259 / 1261
页数:3
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