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本帖最后由 ldatea 于 2020-9-25 01:52 编辑
很显然你没有抓住问题的关键。这两帖子和你的情况有明显区别。
G09的手册的基组部分写了:
6-31G†:Gaussian 09 还包含 George Petersson 及合作者的 6-31G†和 6-31G‡基组,定
义为完备基组方法[Petersson88, Petersson91]的一部分。它们可以用关键词 6-31G(d')和
6-31G(d',p')调用,并可以添加单个或两个弥散函数;还可以添加 f 函数:例如,
6-31G(d'f),等
你那种奇怪的关键词导致的结果就是用了6-31+(2d',2p') (6D, 7F)
这和6-31+g(2d,2p)是有区别的。
- #p M062X/gen 6-311+G(2d,2p) gfinput
- 1
- 0 1
- H 0. 0. 0.
- H 0. 0. 0.742
复制代码 会得到
- Leave Link 202 at Wed Sep 23 20:34:29 2020, MaxMem= 104857600 cpu: 0.0 elap: 0.2
- (Enter /mnt/c/users/wyn/AppData/g16/l301.exe)
- Standard basis: 6-31+(2d',2p') (6D, 7F)
- Ernie: Thresh= 0.10000D-02 Tol= 0.10000D-05 Strict=F.
- AO basis set in the form of general basis input (Overlap normalization):
- 1 0
- S 3 1.00 0.000000000000
- 0.1873113696D+02 0.3349460434D-01
- 0.2825394365D+01 0.2347269535D+00
- 0.6401216923D+00 0.8137573261D+00
- S 1 1.00 0.000000000000
- 0.1612777588D+00 0.1000000000D+01
- P 1 1.00 0.000000000000
- 0.1500000000D+01 0.1000000000D+01
- P 1 1.00 0.000000000000
- 0.3750000000D+00 0.1000000000D+01
- ****
- 2 0
- S 3 1.00 0.000000000000
- 0.1873113696D+02 0.3349460434D-01
- 0.2825394365D+01 0.2347269535D+00
- 0.6401216923D+00 0.8137573261D+00
- S 1 1.00 0.000000000000
- 0.1612777588D+00 0.1000000000D+01
- P 1 1.00 0.000000000000
- 0.1500000000D+01 0.1000000000D+01
- P 1 1.00 0.000000000000
- 0.3750000000D+00 0.1000000000D+01
- ****
复制代码 而
- #p M062X 6-31+G(2d,2p) gfinput
- 1
- 0 1
- H 0. 0. 0.
- H 0. 0. 0.742
-
复制代码 会得到
- Leave Link 202 at Wed Sep 23 20:41:42 2020, MaxMem= 104857600 cpu: 0.0 elap: 0.2
- (Enter /mnt/c/users/wyn/AppData/g16/l301.exe)
- Standard basis: 6-31+G(2d,2p) (6D, 7F)
- Ernie: Thresh= 0.10000D-02 Tol= 0.10000D-05 Strict=F.
- AO basis set in the form of general basis input (Overlap normalization):
- 1 0
- S 3 1.00 0.000000000000
- 0.1873113696D+02 0.3349460434D-01
- 0.2825394365D+01 0.2347269535D+00
- 0.6401216923D+00 0.8137573261D+00
- S 1 1.00 0.000000000000
- 0.1612777588D+00 0.1000000000D+01
- P 1 1.00 0.000000000000
- 0.2200000000D+01 0.1000000000D+01
- P 1 1.00 0.000000000000
- 0.5500000000D+00 0.1000000000D+01
- ****
- 2 0
- S 3 1.00 0.000000000000
- 0.1873113696D+02 0.3349460434D-01
- 0.2825394365D+01 0.2347269535D+00
- 0.6401216923D+00 0.8137573261D+00
- S 1 1.00 0.000000000000
- 0.1612777588D+00 0.1000000000D+01
- P 1 1.00 0.000000000000
- 0.2200000000D+01 0.1000000000D+01
- P 1 1.00 0.000000000000
- 0.5500000000D+00 0.1000000000D+01
- ****
复制代码
这个两个基组的定义就是不一样的,至少极化函数是不一样的。
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