Understanding the eighteen-electron rule

被引：151

作者：

Pyykko, Pekka ^{[1
]}

机构：

[1] Univ Helsinki, Dept Chem, FIN-00014 Helsinki, Finland

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2006年 / 691卷 / 21期

基金：

芬兰科学院;

关键词：

the 18-electron rule; coordination chemistry; tungsten hexacarbonyl; ferrocene;

D O I：

10.1016/j.jorganchem.2006.01.064

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

It is pointed out that the preferred closed-shell electron structures, such as those in typical high-symmetry 18-electron systems, are driven both by the bonding contributions to the centre and by the kinetic-energy (nodal-structure) terms in the ligand subsystem, L(n). The latter imposes a filling order s < p < d, even for the ML(n) complex. Then the 18e principle can be right for the right reasons even without any np contributions at the central atom. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：4336 / 4340

页数：5

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