标题: TD-DFT计算吸收不对称因子和实际符号相反 [打印本页] 作者Author: Huyang 时间: 3 day ago 标题: TD-DFT计算吸收不对称因子和实际符号相反 各位大佬我用TD-DFT算Sn的log文件,借助Multiwfn模拟CD光谱与实际测试CD谱吻合较好。但我由S1的跃迁电偶极矩和磁偶极矩计算吸收不对称因子时候,数值比较吻合,但符号相反。请问这种应该咋么解释。下面是部分log文件数据:
Ground to excited state transition electric dipole moments (Au):
state X Y Z Dip. S. Osc.
1 -0.5884 -0.3874 0.6470 0.9148 0.0830
2 -0.8627 0.3727 0.9340 1.7556 0.1595
3 -0.1225 -0.9088 0.8181 1.5102 0.1373
Ground to excited state transition magnetic dipole moments (Au):
state X Y Z
1 -2.3909 -0.4439 -2.7599
2 1.4445 -1.6204 1.6840
3 0.2284 1.9859 2.2741