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各位老师好,小弟想用molpro做一下CN分子的casscf计算。现在先用rhf生成初始波函数,但是在out文件的输出结果中对单占据轨道能量有点疑问。
DUMP ORBITAL 1.1 AS ORBITAL 1 occ= 2.0000 eig= -15.6579 GROUP= 2
DUMP ORBITAL 2.1 AS ORBITAL 2 occ= 2.0000 eig= -11.3799 GROUP= 2
DUMP ORBITAL 3.1 AS ORBITAL 3 occ= 2.0000 eig= -1.2162 GROUP= 2
DUMP ORBITAL 4.1 AS ORBITAL 4 occ= 2.0000 eig= -0.6387 GROUP= 2
DUMP ORBITAL 1.3 AS ORBITAL 5 occ= 2.0000 eig= -0.4905 GROUP= 2
DUMP ORBITAL 1.2 AS ORBITAL 6 occ= 2.0000 eig= -0.4905 GROUP= 2
DUMP ORBITAL 5.1 AS ORBITAL 7 occ= 1.0000 eig= -0.6509 GROUP= 1
根据输出结果显示5.1轨道是单占据轨道,但是它的能量却为-0.6509,比部分双占据轨道还要低。我用高斯的rohf也算了一下CN分子,高斯log输出结果能量就比较合理。请问我在molpro是哪里设置错误了吗?还是有其他问题?(molpro和高斯的输出文件都已上传)
Orbital symmetries:
Occupied (SG) (SG) (SG) (SG) (PI) (PI) (SG)
Virtual (PI) (PI) (SG) (PI) (PI) (SG) (SG) (SG) (PI) (PI)
(DLTA) (DLTA) (PI) (PI) (SG) (SG) (DLTA) (DLTA)
(PI) (PI) (SG)
The electronic state is 2-SG.
Alpha occ. eigenvalues -- -15.65699 -11.37503 -1.20919 -0.62723 -0.48713
Alpha occ. eigenvalues -- -0.48713 -0.22552
Alpha virt. eigenvalues -- 0.14384 0.14384 0.37939 0.65668 0.65668
Alpha virt. eigenvalues -- 0.68329 0.84935 0.96333 1.03152 1.03152
Alpha virt. eigenvalues -- 1.31501 1.31501 1.44676 1.44676 1.54156
Alpha virt. eigenvalues -- 2.13414 2.13504 2.13504 2.61204 2.61204
Alpha virt. eigenvalues -- 2.99220
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