Coupled-cluster calculations of optical rotation

被引:128
作者
Ruud, K [1 ]
Stephens, PJ
Devlin, FJ
Taylor, PR
Cheeseman, JR
Frisch, MJ
机构
[1] Univ Tromso, Dept Chem, N-9037 Tromso, Norway
[2] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA
[3] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England
[4] Gaussian Inc, N Haven, CT 06473 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0009-2614(03)00667-5
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
CC2 and CCSD coupled-cluster calculations of the sodium D line specific rotations of 13 chiral organic molecules are compared to HF and DFT/B3LYP calculations and to experiment. For 12 of the molecules, whose [alpha](D) values are in the range 0-200, CCSD and B3LYP [alpha](D) values are in very similar agreement with experiment: average deviations are 19.8 and 19.4, respectively. CC2 and HF values are less accurate: average deviations are 24.7 and 32.2, respectively. For one molecule, norbornenone, the CCSD [alpha](D) value (741) is very different from the B3LYP value (1216) and in much worse agreement with experiment (1146). (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:606 / 614
页数:9
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