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你好,我用orca计算看的轨道和高斯16的轨道序号不一样,高斯的homo是143,orca的homo是142,这是为什么?
这是高斯16算的垂直激发能。
# B3LYP/6-31g(d) td=nstates=20 SCRF=(solvent=water) em=GD3BJ
Title Card Required
-1 1
Excited State 1: Singlet-A 4.2618 eV 290.92 nm f=0.0393 <S**2>=0.000
143 ->144 0.69545
This state for optimization and/or second-order correction.
Total Energy, E(TD-HF/TD-DFT) = -2221.28520285
Copying the excited state density for this state as the 1-particle RhoCI density.
Excited State 2: Singlet-A 4.6208 eV 268.32 nm f=0.0258 <S**2>=0.000
142 ->144 -0.38526
143 ->145 0.57257
Excited State 3: Singlet-A 4.7445 eV 261.32 nm f=0.1299 <S**2>=0.000
142 ->144 0.53121
142 ->145 -0.20695
143 ->145 0.38360
这是orca 4.1算的垂直激发能。
! B3LYP/G 6-31G(d) d3 miniprint tightSCF grid4 pal8 cpcm(water)
%tddft
nroots 6
dosoc true
tda false
printlevel 3
end
* xyz -1 1
TD-DFT EXCITED STATES (SINGLETS)
--------------------------------
the weight of the individual excitations are printed if larger than 0.01
STATE 1: E= 0.146192 au 3.978 eV 32085.4 cm**-1
141a -> 143a : 0.015538
142a -> 143a : 0.959326
142a -> 144a : 0.012547
STATE 2: E= 0.168189 au 4.577 eV 36913.1 cm**-1
141a -> 143a : 0.341117
141a -> 144a : 0.022789
142a -> 143a : 0.020698
142a -> 144a : 0.596440
STATE 3: E= 0.174232 au 4.741 eV 38239.5 cm**-1
140a -> 143a : 0.010961
140a -> 146a : 0.010324
141a -> 143a : 0.498760
141a -> 144a : 0.088012
142a -> 144a : 0.340110
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