共 5 条
THE ACCURATE DETERMINATION OF ENTHALPIES OF FORMATION
被引:27
作者:
CURTISS, LA
RAGHAVACHARI, K
POPLE, JA
机构:
[1] AT&T BELL LABS,MURRAY HILL,NJ 07974
[2] CARNEGIE MELLON UNIV,DEPT CHEM,PITTSBURGH,PA 15213
基金:
美国国家科学基金会;
关键词:
D O I:
10.1016/0009-2614(93)90078-F
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:
The importance of the quadratic configuration interaction (QCISD(T)) step in Gaussian-2 (G2) theory is investigated for 125 test cases. The average deviation with experiment increases from 1.21 to 1.91 kcal/mol when this step is not included in G2 theory.
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页码:183 / 185
页数:3
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