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LinaInverse

木虫 (小有名气)

[求助] 不进行optimize就直接报错收敛失败,求解决

rt,小可做计算有段时间也有些心得了,体系很大,124个原子,元素为C,H,B,N和重元素Ir,方法b3lyp,基组6-31g(d)+lanl2dz,-3电荷,多重度3
试过opt=tight,没用,iop(5/13)=1没试但也不想试
自洽场可以收敛,但是一圈优化都没跑就直接报错收敛失败,求大侠指点
以下是报错语句:
Symmetry not used in FoFCou.
Initial guess <Sx>= 0.0000 <Sy>= 0.0000 <Sz>= 1.0000 <S**2>= 2.0000 S= 1.0000
Defaulting to unpruned grid for atomic number  77.
Defaulting to unpruned grid for atomic number  77.
Defaulting to unpruned grid for atomic number  77.
Defaulting to unpruned grid for atomic number  77.
Defaulting to unpruned grid for atomic number  77.
Defaulting to unpruned grid for atomic number  77.
Defaulting to unpruned grid for atomic number  77.
Defaulting to unpruned grid for atomic number  77.
EnCoef did   100 forward-backward iterations
EnCoef did     1 forward-backward iterations
EnCoef did     5 forward-backward iterations
EnCoef did     2 forward-backward iterations
Restarting incremental Fock formation.
Matrix for removal  4 Erem= -2448.69634785012     Crem= 0.000D+00
Matrix for removal  3 Erem= -2454.71182296237     Crem= 0.000D+00
Rare condition: small coef for last iteration:  0.000D+00
Rare condition: small coef for last iteration:  0.000D+00
Rare condition: small coef for last iteration:  0.000D+00
Rare condition: small coef for last iteration:  0.000D+00
Rare condition: small coef for last iteration:  0.000D+00
Rare condition: small coef for last iteration:  0.000D+00
Restarting incremental Fock formation.
Restarting incremental Fock formation.
Restarting incremental Fock formation.
Restarting incremental Fock formation.
Restarting incremental Fock formation.
>>>>>>>>>> Convergence criterion not met.
SCF Done:  E(UB3LYP) =  -2458.97111905     A.U. after  129 cycles
             Convg  =    0.4215D-04             -V/T =  2.0365
<Sx>= 0.0000 <Sy>= 0.0000 <Sz>= 1.0000 <S**2>= 2.0085 S= 1.0028
<L.S>= 0.000000000000E+00
Annihilation of the first spin contaminant:
S**2 before annihilation     2.0085,   after     2.0000
Convergence failure -- run terminated.
Error termination via Lnk1e in /gpfssan1/home/hyan//g09/l502.exe at Wed Jul  3 19:29:12 2013.
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秀逗魔导师
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Jasminer

铁杆木虫 (著名写手)

诚然有些回帖没有特别上心,但是lz你这不信那不信一副lz都是对的的样子,那还来求助个p啊~
如你所愿,你就继续去寻找所谓“解决opt收敛失败”的方法吧。
15楼2013-07-06 21:51:00
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Jasminer

铁杆木虫 (著名写手)

★
gkf高: 金币+1 2013-07-04 16:13:40
这个就是自洽场没有收敛。
2楼2013-07-04 15:41:32
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LinaInverse

木虫 (小有名气)

引用回帖:
2楼: Originally posted by Jasminer at 2013-07-04 15:41:32
这个就是自洽场没有收敛。

自洽场不收敛会直接写出SCF Convergence failure的吧
而且这个上面已经写了SCF Done了
秀逗魔导师
3楼2013-07-04 17:07:08
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t13340033021

金虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
引用回帖:
3楼: Originally posted by LinaInverse at 2013-07-04 17:07:08
自洽场不收敛会直接写出SCF Convergence failure的吧
而且这个上面已经写了SCF Done了...

试一下calcfc关键词
甲烷无敌
4楼2013-07-04 17:13:27
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