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vividelife

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[交流] 【讨论】gamess能量分解! 已有4人参与

在gamess软件中,例子28是用Morokuma方法进行作用能的分解的,例子如下:

! EXAM28. Morokuma energy decomposition.
! This run duplicates a result from Table 16 of
! H.Umeyama, K.Morokuma, J.Am.Chem.Soc. 99,1316(1977)
!
! GAMESS literature
! ES= -14.02 -14.0
! EX= 8.98 9.0
! PL= -1.12 -1.1
! CT= -2.37 -2.4
! MIX= -0.43 -0.4
! total -8.96 -9.0
!
$contrl scftyp=rhf runtyp=morokuma coord=zmt $end
$system memory=300000 timlim=5 $end
$basis gbasis=n31 ngauss=4 $end
$guess guess=huckel $end
$morokm iatm(1)=3 $end
$data
water-ammonia dimer
Cs

H
O 1 rOH
H 2 rOH 1 aHOH
N 2 R 1 aHOH 3 0.0
H 4 rNH 3 aHNaxis 1 180.0
H 4 rNH 3 aHNaxis 5 +120.0
H 4 rNH 3 aHNaxis 5 -120.0

rOH=0.956
aHOH=105.2
rNH=1.0124
aHNaxis=112.1451 ! makes HNH=106.67
R=2.93
$end

在上面这个例子中,iatm(1)=3是什么意思啊,我看了一下Gamess中iatm的说明,说明如下:

IATM = An array giving the number of atoms in each of the monomer. Up to ten monomers may be defined. Your input in $DATA must have all the atoms in the first monomer defined before the atoms in the second monomer, before the third monomer... The number of atoms belonging to the final monomer can be omitted. There is no sensible default for IATM, so don't omit it from your input.

请问是什么意思呢?
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ludeng8710

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7566楼: Originally posted by vividelife at 2010-06-28 09:44:54:
在gamess软件中,例子28是用Morokuma方法进行作用能的分解的,例子如下:

! EXAM28. Morokuma energy decomposition.
! This run duplicates a result from Table 16 of
! H.Umeyama, K.Morokuma, J.Am.Che ...

请问,用GAMESS能否做过渡态的能量解析?
http://onlinelibrary.wiley.com/d ... sCustomisedMessage=
像这篇文献一样?
谢谢~
5楼2012-03-15 14:48:49
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