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shinee

Í­³æ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú¡¿casscfÓÅ»¯ÊÕÁ²Ê§°Ü--¼±ÇóÖú ÒÑÓÐ3È˲ÎÓë

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# opt casscf(4,6,nroot=2)/6-311++g(3df,3pd)  opt=loose test£¬Êä³ö½á¹ûΪ
Final one electron symbolic density matrix:
                1             2             3             4             5
      1  0.113951D+01
      2  0.458731D+00  0.134288D+01
      3 -0.536106D+00 -0.816492D+00  0.149265D+01
      4  0.381082D-01  0.181607D-01  0.604953D-02  0.156365D-01
      5 -0.180658D-01  0.175158D-01 -0.721314D-02 -0.954064D-03  0.237741D-02
      6  0.555171D-01  0.108678D+00 -0.289718D-01 -0.793470D-02 -0.406975D-02
                6
      6  0.693603D-02
Convergence failure -- run terminated.
Error termination via Lnk1e in d:\program files\gaussian 03w\l510.exe at Sat Jul 17 21:40:10 2010.
»¹ÓÐÒ²ÓÃÁËopt£¨maxcycle=N£©£¬ÓÃÁËscf=sleazy£¬ÓÃÁËSCF(MaxCycle=N£©¶¼ÊÇÊÕÁ²Ê§°Ül510´íÎó£¬Ó¦¸ÃÔõô°ì?¶ÔÓÚ¼Óscf=qcÎÒÓÃÕâ¸öÒ»Ëã¾Í´í²»ÖªÎªÊ²Ã´£¬»¹ÓкöÂÔÊÕÁ²¼Ó¹Ø¼ü´Êiop£¨5/13=1£©£¬Ò²ÊDz»ÄÜË㣿Íû¸ßÊÖÖ¸µãлл¡£
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seainthesky

Í­³æ (³õÈëÎÄ̳)

¡ï
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1. try to use converged scf orbitals to do casscf which helps converge;
2. try to use smaller active space, then use the orbitals to do bigger cas;
3. use smaller basis set
3Â¥2010-07-18 20:06:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 4 ¸ö»Ø´ð

shinee

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by seainthesky at 2010-07-18 20:06:02:
1. try to use converged scf orbitals to do casscf which helps converge;
2. try to use smaller active space, then use the orbitals to do bigger cas;
3. use smaller basis set

лл£¬Èç¹ûcasscf·½·¨sanÊÕÁ²Ê§°Ü£¬
Final one electron symbolic density matrix:
                1             2             3
      1  0.100000D+01
      2  0.118643D-08  0.158821D+01
      3 -0.917224D-09  0.984314D+00  0.141179D+01
Convergence failure -- run terminated.
Error termination via Lnk1e in d:\program files\gaussian 03w\l510.exe at Mon Jul 19 10:57:19 2010.Ó¦¸ÃÔõô°ì£¿

[ Last edited by shinee on 2010-7-19 at 12:12 ]
4Â¥2010-07-19 10:58:54
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