NMR spectra of silatranes and M ← N (M = C, Si, Ge, Sn, Pb) bond lengths in atranes:: Substituent effects

被引：25

作者：

Egorochkin, Alexey N. ^{[1
]}

Voronkov, Mikhail G. ^{[2
]}

Kuznetsova, Olga V. ^{[1
]}

Novikova, Olga V. ^{[1
]}

机构：

[1] Russian Acad Sci, GA Razuvaev Inst Organomet Chem, Nizhnii Novgorod 603950, Russia

[2] Russian Acad Sci, AE Favorsky Inst Chem, Siberian Branch, Irkutsk 664033, Russia

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2008年 / 693卷 / 02期

关键词：

silatranes; NMR spectra; substituent effects; atranes; polarizability effect; M <- N bond lengths;

D O I：

10.1016/j.jorganchem.2007.09.020

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The literature data on X substituent influence on the H-1, Si-29 and N-15 NMR chemical shifts (delta) and coupling constants (J) of Si-substituted silatranes XSi(OCH2CH2)(3)N as well as M-N bond lengths (d) in atranes XM(OCH2CH2)(3)N (M = C, Si, Ge, Sn, Pb) have been analyzed. It was established for the first time that the delta, J and d values depend not only on the inductive and resonance effects but also on the polarizability of X substituents. The polarizability contribution ranges from 8% to 25%. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：181 / 188

页数：8