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[求助]
熒光計算出錯求助 已有1人參與
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命令行為: %nprocshared=6 %mem=6000MB %chk=ph3n-fl-4.chk # td=(singlets,nstates=10, root=1) b3lyp/6-31g(d) opt 。。。分子結(jié)構(gòu) 得到第一次躍遷計算,并完成了一輪結(jié)構(gòu)優(yōu)化后即出現(xiàn)下列出錯提示: Generating guess from densities on rwf. Convergence on wavefunction: 0.000001000000000 Iteration 1 Dimension 20 NMult 20 CISAX will form 20 AO SS matrices at one time. New state 1 was old state 7 New state 3 was old state 5 New state 5 was old state 10 New state 6 was old state 8 New state 7 was old state 6 New state 8 was old state 3 New state 10 was old state 1 Iteration 2 Dimension 40 NMult 40 New state 2 was old state 3 No map to state 3 New state 4 was old state 2 New state 5 was old state 4 No map to state 6 No map to state 7 No map to state 8 No map to state 9 No map to state 10 You need to solve for more vectors in order to follow this state. Error termination via Lnk1e in /root/g09/l914.exe at Fri Oct 16 16:54:53 2015. Job cpu time: 0 days 3 hours 38 minutes 55.5 seconds. File lengths (MBytes): RWF= 309 Int= 0 D2E= 0 Chk= 43 Scr= 1 嘗試過將第一輪優(yōu)化結(jié)構(gòu)提出在重復計算,仍然是在完成一輪優(yōu)化后出現(xiàn)相同出錯提示,是否需要增加nstate數(shù)值?問題如何解決? 求高手賜教 |
木蟲 (著名寫手)
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我之前碰到過這樣的問題,你可以看看sob老師的帖子回復我的帖子:http://ccc.keinsci.com/thread-649-1-1.html 我最終的解決方式是opt=(maxstep=10,notrust) 其實,我感覺比較好的方式就是,你用高斯view重新建模,最好能夠貼合實際點,又對成型的話,加上nosymm。 比較重要的一點,你有話激發(fā)態(tài)的時候,先寫opt td 這種最簡單的方式,不要寫的太多,如果出錯,我們再修改 |

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