The gallium-gallium triple bond in a realistic model.: A density functional theory study of Na2[(C6H5)2C6H3GaGaC6H3(C6H5)2]

被引:39
作者
Xie, YM
Schaefer, HF [1 ]
Robinson, GH
机构
[1] Univ Georgia, Ctr Computat Quantum Chem, Athens, GA 30602 USA
[2] Univ Georgia, Dept Chem, Athens, GA 30602 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0009-2614(99)01370-6
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
Density functional theory is employed to study the model molecule Na-2[(C-6 H-5)(2)C6H3GaGaC6H3(C6H5)(2)] as a means to address the question of Ga-Ga triple bond formation in the recently reported gallyne, Na-2[{(i-Pr3C6H2)(2) C6H3}Ga=Ga{C6H3(i-Pr3C6H2)(2)}]. The structure is fully optimized with the B3LYP method utilizing a substantial basis set of 836 contracted Gaussian functions. Natural bond order analysis and a NLMO/NPA bond order of 2.79 for Na-2[(C6H5)(2)C6H3GaCaC6H3(G(6)H(5))(2)] are in support of a weak Ca-Ga triple bond in the model compound and in the gallyne. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:174 / 180
页数:7
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