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sddtc888至尊木蟲(chóng) (著名寫(xiě)手)
Hψ=Eψ S=klnΩ dS≥δQ/T
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[求助]
求助關(guān)于過(guò)渡態(tài)輸入文件問(wèn)題 已有3人參與
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我要找一個(gè)過(guò)渡態(tài),輸入文件如下,但是我一運(yùn)行Guassian就報(bào)錯(cuò): Old curvilinear step not converged, using linear step: SCX= 7.85D+00 DXMaxT= 1.77-317 SCLim= 0.00D+00 Fact= 0.00D+00 RedCar/ORedCr failed for GTrans. Error termination via Lnk1e in /opt/g09/l101.exe at Tue Oct 21 21:39:44 2014. Job cpu time: 0 days 0 hours 1 minutes 15.0 seconds. File lengths (MBytes): RWF= 5 Int= 0 D2E= 0 Chk= 1 Scr= 1 求助怎么辦?是不是我初始結(jié)構(gòu)沒(méi)設(shè)置好?還有關(guān)于原子順序必需一致,我已經(jīng)做到一致了(我用gview分別畫(huà)了初始結(jié)構(gòu)和最后結(jié)構(gòu),原子序號(hào)和元素符號(hào)我都對(duì)好了的) 輸入文件如下: %nprocshared=8 %mem=8GB %chk=mg4-h2-qst2.chk #p opt(calcfc,qst2,maxcycle=2000) freq=noraman b3pw91/6-311+g(d,p) empiricaldispersion=gd3 scf(maxcycle=2000,conver=6) nosymm mg4-h2-qst2 0 1 Mg -2.91504837 1.26284766 1.92151075 Mg -6.05287528 0.15350234 0.00000000 Mg -2.91508887 -2.06530526 0.00000000 Mg -2.91504837 1.26284766 -1.92151075 H -2.09425764 -4.95707567 0.32908968 H -1.73598875 -4.83041338 -0.32908968 mg4-h2-qst2 0 1 Mg 1.12634400 -1.03183000 -0.98056000 Mg 1.12757200 1.03115000 0.98044700 Mg -1.12733800 -0.98027800 1.03142900 Mg -1.12657400 0.98095100 -1.03131800 H 2.44087300 -0.00116900 -0.00039100 H -2.44092400 0.00124900 0.00041300 @Civolf 謝謝!。! |
計(jì)算化學(xué) |

木蟲(chóng) (初入文壇)
木蟲(chóng) (初入文壇)
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該問(wèn)題是由于反應(yīng)物和產(chǎn)物的結(jié)構(gòu)相差過(guò)大,無(wú)法產(chǎn)生合適的內(nèi)坐標(biāo)而引起的。 解決方法是添加合適的虛擬鍵,使得反應(yīng)物和產(chǎn)物具有相同的connectivity,這樣有助于程序產(chǎn)生合適的內(nèi)坐標(biāo) 另外,maxcycle=2000不推薦,通常不能解決問(wèn)題,還浪費(fèi)計(jì)算時(shí)間;DFT缺省freq=noraman,所以只需寫(xiě)freq #p opt=(calcfc,qst2) freq b3pw91/6-311+g(d,p) nosymm geom=connectivity empiricaldispersion=gd3 mg4-h2-qst2 0 1 Mg -2.91504837 1.26284766 1.92151075 Mg -6.05287528 0.15350234 0.00000000 Mg -2.91508887 -2.06530526 0.00000000 Mg -2.91504837 1.26284766 -1.92151075 H -2.09425764 -4.95707567 0.32908968 H -1.73598875 -4.83041338 -0.32908968 1 2 0.5 5 0.5 3 0.5 4 0.5 2 5 0.5 4 0.5 3 4 0.5 6 0.5 4 6 0.5 5 6 0.5 6 mg4-h2-qst2 0 1 Mg 1.12634400 -1.03183000 -0.98056000 Mg 1.12757200 1.03115000 0.98044700 Mg -1.12733800 -0.98027800 1.03142900 Mg -1.12657400 0.98095100 -1.03131800 H 2.44087300 -0.00116900 -0.00039100 H -2.44092400 0.00124900 0.00041300 1 2 1.0 5 0.5 3 0.5 2 5 0.5 4 0.5 3 0.5 3 4 1.0 6 0.5 4 6 0.5 5 6 0.5 6 |
木蟲(chóng) (著名寫(xiě)手)
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