Large-core vs. small-core pseudopotentials:: A case study for Au2

被引:10
|
作者
Stoll, Hermann [1 ]
机构
[1] Univ Stuttgart, Inst Theoret Chem, D-70550 Stuttgart, Germany
关键词
D O I
10.1016/j.cplett.2006.07.083
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
Large-core pseudopotentials as well as model potentials may fail to properly describe bonding properties of molecules for two main reasons: (a) cores cannot be considered as frozen, and (b) core overlap cannot be neglected. This is illustrated for the case of the Au-2 molecule, and it is shown how the errors can be substantially reduced by efficiently combining information from large-core and small-core calculations. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:289 / 293
页数:5
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