ASSOCIATION OF METAL-CATIONS WITH ALKANES - NA(CH4)+ VERSUS CU(CH4)+ AS MOLECULAR-MODELS

被引:7
作者
BOUSLAMA, L
MESTDAGH, H
ROLANDO, C
SUARD, M
机构
[1] LAB CHIM QUANT,F-92120 MONTROUGE,FRANCE
[2] UNIV PARIS 06,ECOLE NORMALE SUPER,DEPT CHIM,ACTIVAT MOLEC LAB,CNRS,URA 1110,F-75231 PARIS 05,FRANCE
来源
THEORETICA CHIMICA ACTA | 1993年 / 85卷 / 1-3期
关键词
NA(CH4)+; CU(CH4)+; ADDUCTS; BINDING ENERGY; BONDS;
D O I
10.1007/BF01374582
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
Ab initio molecular orbital calculations give small stabilization energies for the various Na(CH4)+ adducts (less than 4 kcal mol-1), but predict a stronger binding for the copper compounds (about 13 kcal mol-1). The different behaviour of Na+ and Cu+, already present at the SCF level, is reinforced by electron correlation. This can be attributed to an important contribution of the dispersion energy to the binding energy of the copper ion: about 40% of the total, including basis set superposition corrections.
引用
收藏
页码:121 / 126
页数:6
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