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想请教一下~我用Q-chem做T1态和T2态间的非绝热耦合计算,输出了一下内容:
CIS Derivative Couplings
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between states 1 and 2
get_w_dc time: CPU 1.33 s wall 0.06 s
AOints 129 time: CPU 3.26 s wall 0.14 s
DFT time CPU 4.68 s wall 0.19 s
Ei = -78.429144
Ej = -78.288937
Ej-Ei = 0.140207
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CIS derivative coupling without ETF
Atom X Y Z
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1 0.000000 -0.000000 -0.000000
2 0.000000 0.000000 -0.260430
3 0.000000 -0.000000 0.260430
4 -0.000000 0.000000 -0.000000
5 -0.000000 -0.000000 -0.260430
6 -0.000000 0.000000 0.260430
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CIS Force Matrix Element
Atom X Y Z
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1 0.000000 -0.000000 -0.000000
2 0.000000 0.000000 -0.032662
3 0.000000 -0.000000 0.032662
4 -0.000000 0.000000 -0.000000
5 -0.000000 -0.000000 -0.032662
6 -0.000000 0.000000 0.032662
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CIS derivative coupling with ETF
Atom X Y Z
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1 0.000000 -0.000000 -0.000000
2 0.000000 0.000000 -0.232954
3 0.000000 -0.000000 0.232954
4 -0.000000 0.000000 -0.000000
5 -0.000000 -0.000000 -0.232954
6 -0.000000 0.000000 0.232954
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非绝热耦合元是波函数相对核坐标的一阶导数
请问应该如何计算才是耦合元的值呢? 是Σ(xi2+yi2+zi2)^2 对所有原子坐标平方求和开根号,还是(Σxi)^2+(Σyi)^2+(Σzi)^2先对所有x、y、z的值进行加和再平方后开根号呢?
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