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太妃糖么么金蟲 (正式寫手)
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[求助]
TDDFT優(yōu)化結(jié)構(gòu),總顯示錯誤。
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TDDFT優(yōu)化結(jié)構(gòu),總顯示錯誤。這是我的輸入文件,用基態(tài)優(yōu)化好的坐標(biāo)做的,請看:%nproc=2 %mem=2000MW %chk=HP6-60-td-opt.chk #p b3lyp/6-311++g(d,p) td(nstate=20,singlets,root=2) Opt=(MaxStep=10) HP6-60-td-opt 0 2 C 1.09085900 0.24298800 0.57027600 H 1.82201800 0.96529500 0.95422100 H 0.71487100 -0.35103400 1.41184900 C -0.06437900 0.97297500 -0.09426300 H -0.46951500 1.71795900 0.59812900 H 0.30537600 1.50926600 -0.97499900 C -1.19138700 0.02456300 -0.52408000 H -0.75824200 -0.78825700 -1.14717800 H -1.92512200 0.51604700 -1.18702500 O 1.69359700 -0.60326400 -0.41705300 H 2.33159300 -1.18115200 0.01110500 O -1.82253900 -0.62564600 0.49484000 但是總顯示 這樣的錯誤: Cannot handle 2e integral symmetry, ISym2E=1. CISAX: IP= 2 NPass= 1 NMax= 40. CISAX will form 40 AO SS matrices at one time. NMat= 40 NSing= 40. Root 1 not converged, maximum delta is 0.907364172178604 New state 2 was old state 5 Root 2 not converged, maximum delta is 0.846749083765264 No map to state 3 No map to state 4 No map to state 5 New state 6 was old state 2 Root 6 not converged, maximum delta is 0.544078537766060 New state 7 was old state 3 Root 7 not converged, maximum delta is 0.582319797925540 No map to state 8 New state 9 was old state 4 Root 9 not converged, maximum delta is 0.288256716542199 No map to state 10 No map to state 11 No map to state 12 No map to state 13 New state 14 was old state 6 Root 14 not converged, maximum delta is 0.765699687616866 No map to state 15 You need to solve for more vectors in order to follow this state. Error termination via Lnk1e in /usr/local/g09/l914.exe at Mon Oct 21 21:30:28 2013. Job cpu time: 0 days 1 hours 22 minutes 59.1 seconds. File lengths (MBytes): RWF= 124 Int= 0 D2E= 0 Chk= 22 Scr= 1。哪位大俠可以幫我看看怎么回事啊,謝謝啦 |
熒光性質(zhì)計算 |
木蟲 (著名寫手)
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可嘗試以下幾種方法: 1、繼續(xù)加大nstates的值; 2、減小maxstep的值; 3、讀取基態(tài)的chk,或直接優(yōu)化激發(fā)態(tài)結(jié)構(gòu) 4、換CAS方法做激發(fā) http://ccl.net/chemistry/resourc ... .003-dir/index.html 這是高斯的官方回復(fù),里面講得非常詳細(xì) |
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