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本帖最后由 Tinker 于 2014-12-10 23:51 编辑
求助各位大大,有两个问题,
1. 第一个问题是关于GAMESS里边怎么使用混合基组,比如高斯里边我可以写,
B3LYP/GENECP 。。。。
下边写
Ir 0
Lanl2dz
****
C H 0
6-31g*
****
Ir 0
Lanl2dz
,
而在GAMESS,他们给我的输入文件是这样的 在分子信息后边写价电子基组,之后再写个$ECP去写赝势
IRIDIUM 77.0 9.277565000 1.202463000 6.804552000
S 3
1 2.3500000 -1.6784642
2 1.5820000 2.0952553
3 0.5018000 0.4162934
S 4
1 2.3500000 1.6464467
2 1.5820000 -2.2748150
3 0.5018000 -1.0494357
4 0.2500000 1.2167791
S 1
1 0.0598000 1.0000000
P 3
1 2.7920000 -0.3889212
2 1.5410000 0.9077516
3 0.5285000 0.4691443
P 2
1 0.5100000 -0.1170669
2 0.0980000 1.0489002
P 1
1 0.0290000 1.0000000
D 2
1 1.2400000 0.5087022
2 0.4647000 0.5862102
D 1
1 0.1529000 1.0000000
$ECP
IR-ECP GEN 60 4
5 ----- g-ul potential -----
-0.1578014 1 823.5880147
-1517.5270446 2 364.6613336
-316.5306529 2 55.7082801
-91.8880941 2 12.0464544
-9.2241773 2 3.5120610
6 ----- s-ul potential -----
3.1578014 0 188.0490770
26.8322577 1 340.4194712
800.4250007 2 128.2373673
369.4050683 2 33.8644961
242.4171899 2 4.7560005
-118.2173282 2 3.9649974
5 ----- p-ul potential -----
2.1578014 0 289.7291139
61.9678610 1 87.4633789
269.0581986 2 30.4363766
231.1654793 2 4.0553412
-133.6952667 2 3.5525341
5 ----- d-ul potential -----
3.1578014 0 136.4017106
45.9349803 1 95.0776925
359.0344668 2 49.2258410
176.4740119 2 15.0874145
54.5155286 2 4.0405764
5 ----- f-ul potential -----
3.9546197 0 127.3507908
52.9773655 1 66.2364374
274.8643383 2 34.4299229
137.2047338 2 10.1995721
14.8633305 2 2.5409702
O-ECP NONE
C-ECP NONE
C-ECP NONE
C-ECP NONE
H NONE
H NONE
H NONE
H NONE
H NONE
H NONE
H NONE
H NONE
H NONE
O-ECP NONE
$END
一定要通过这种方法写混合基组吗?
还有一个问题,最近在练习使用GAMESS做MCSCF的计算,我师兄的做法是,是先做HF计算,得到的轨道信息作为MCSCF的初始轨道,贴在MCSCF输入文件的下边,是否一定需要这样?
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