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baoyuan6969金蟲 (小有名氣)
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[求助]
CPHF failed to converge in LinEq2.
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如題,做拉曼計(jì)算時(shí)遇到此錯(cuò)誤,請教如何解決。 CPHF failed to converge in LinEq2. Error termination via Lnk1e in /software/apps/gaussian/G09RevC.01/bdist/SSE4.2/g09/l1002.exe at Sat Sep 21 19:03:13 2013. |

木蟲 (著名寫手)
瞌睡木蟲

專家顧問 (職業(yè)作家)
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木蟲 (著名寫手)
瞌睡木蟲
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計(jì)算時(shí)加一個(gè)int=acc2e=11試試看。 這個(gè)關(guān)鍵詞的意思是提高積分的收斂精度,默認(rèn)是10的-10次方,加了這個(gè)關(guān)鍵詞就變了-11次方。 我用它解決過類似的問題,不知道對你的管不管用。 這個(gè)關(guān)鍵詞對付scf不收斂,有時(shí)也很管用。 |

金蟲 (小有名氣)

金蟲 (小有名氣)

專家顧問 (職業(yè)作家)
地溝油冶煉專家
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專家經(jīng)驗(yàn): +458 |
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在輸出文件里找到類似于下面的輸出,從最后兩列可以判斷是收斂慢還是不收斂。如果是前一種情況,可以增加迭代次數(shù)或者降低收斂閾值。 There are 9 degrees of freedom in the 1st order CPHF. IDoFFX=4. 9 vectors produced by pass 0 Test12= 1.95D-13 1.11D-08 XBig12= 7.03D+01 6.20D+00. AX will form 9 AO Fock derivatives at one time. 9 vectors produced by pass 1 Test12= 1.95D-13 1.11D-08 XBig12= 2.92D+01 1.31D+00. 9 vectors produced by pass 2 Test12= 1.95D-13 1.11D-08 XBig12= 1.54D+00 4.25D-01. 9 vectors produced by pass 3 Test12= 1.95D-13 1.11D-08 XBig12= 2.75D-01 1.60D-01. 9 vectors produced by pass 4 Test12= 1.95D-13 1.11D-08 XBig12= 3.96D-03 1.94D-02. 9 vectors produced by pass 5 Test12= 1.95D-13 1.11D-08 XBig12= 8.92D-05 2.35D-03. 9 vectors produced by pass 6 Test12= 1.95D-13 1.11D-08 XBig12= 2.09D-06 4.97D-04. 8 vectors produced by pass 7 Test12= 1.95D-13 1.11D-08 XBig12= 7.66D-08 5.98D-05. 3 vectors produced by pass 8 Test12= 1.95D-13 1.11D-08 XBig12= 3.96D-09 1.95D-05. 3 vectors produced by pass 9 Test12= 1.95D-13 1.11D-08 XBig12= 1.80D-10 3.64D-06. 1 vectors produced by pass 10 Test12= 1.95D-13 1.11D-08 XBig12= 3.81D-12 4.19D-07. 1 vectors produced by pass 11 Test12= 1.95D-13 1.11D-08 XBig12= 8.74D-14 6.47D-08. 1 vectors produced by pass 12 Test12= 1.95D-13 1.11D-08 XBig12= 2.88D-15 1.38D-08. |

木蟲 (小有名氣)

金蟲 (小有名氣)

木蟲 (小有名氣)

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