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zhangdi6802

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[求助] 苯环上增加几个羟基后结构优化不收敛 已有1人参与

请教高手,在含有苯环的化合物(结构已优化)的基础上添加几个羟基取代基继续优化结构,不收敛,请问是何原因?谢谢!
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zhangdi6802

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输出结果文件:
Petite list used in FoFCou.
Requested convergence on RMS density matrix=1.00D-08 within 128 cycles.
Requested convergence on MAX density matrix=1.00D-06.
Requested convergence on             energy=1.00D-06.
No special actions if energy rises.
Restarting incremental Fock formation.
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(RB3LYP) =  -2208.20289039     A.U. after  129 cycles
            NFock=128  Conv=0.10D-06     -V/T= 2.0033
Convergence failure -- run terminated.
Error termination via Lnk1e in /opt/g09/l502.exe at Sat Sep 24 15:28:36 2016.
Job cpu time:       0 days 11 hours 12 minutes 49.9 seconds.
File lengths (MBytes):  RWF=    340 Int=      0 D2E=      0 Chk=     11 Scr=      1
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2楼2016-09-24 21:10:55
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zhangdi6802

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引用回帖:
2楼: Originally posted by zhangdi6802 at 2016-09-24 21:10:55
输出结果文件:
Petite list used in FoFCou.
Requested convergence on RMS density matrix=1.00D-08 within 128 cycles.
Requested convergence on MAX density matrix=1.00D-06.
Requested convergence  ...

在结果文字之前并没有任何有关 Maximum Force;RMS     Force ; Maximum Displacement ;RMS     Displacement  的描述,直接就说收敛失败。。
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3楼2016-09-24 21:15:48
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Woodeninsect

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【答案】应助回帖

★
感谢参与,应助指数 +1
zhangdi6802: 金币+1 2016-09-24 22:38:57
SCF不收敛,网上查找解决SCF不收敛问题的方法。
4楼2016-09-24 22:04:46
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