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zhangzihang金蟲 (初入文壇)
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[求助]
求助:已經(jīng)算了過渡態(tài),想從TS出發(fā)做IRC分析去找反應(yīng)復合物和產(chǎn)物復合物 已有1人參與
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乙醚+OH的脫氫反應(yīng),已經(jīng)通過TS的方法找到了過渡態(tài),然后就想從過渡態(tài)做IRC分析找打?qū)?yīng)的反應(yīng)復合物(RC)和產(chǎn)物復合物(PC), 指定的maxpoints=100,stepsize=10,可是它算到第87步的時候就算不下去了,報錯如下: Cartesian Forces: Max 0.116797105 RMS 0.024200336 IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC Error in corrector energy = -0.0531605844 Magnitude of corrector gradient = 5.2275905845 Magnitude of analytic gradient = 0.1728249652 Magnitude of difference = 5.2448124915 Angle between gradients (degrees)= 94.7773 Pt 87 Step number 20 out of a maximum of 20 CORRECTOR INTEGRATION CONVERGENCE: Recorrection delta-x convergence threshold: 0.010000 Delta-x Convergence NOT Met Maximum number of corrector steps exceded. Error termination via Lnk1e in D:\G09W\l123.exe at Sat May 16 22:35:27 2015. Job cpu time: 0 days 0 hours 54 minutes 32.0 seconds. File lengths (MBytes): RWF= 74 Int= 0 D2E= 0 Chk= 5 Scr= 1 我把能算好的最后一個結(jié)構(gòu)提取出來,對它進行結(jié)構(gòu)的優(yōu)化,希望能夠優(yōu)化到RC,可是每次都是失敗的,提示的錯誤是: GradGradGradGradGradGradGradGradGradGradGradGradGradGradGradGradGradGrad Berny optimization. Using GEDIIS/GDIIS optimizer. NTrRot= -1 NTRed= 91 NAtoms= 17 NSkip= 46 IsLin=F Error in internal coordinate system. Error termination via Lnk1e in D:\G09W\l103.exe at Sat May 16 22:59:08 2015. Job cpu time: 0 days 0 hours 13 minutes 46.0 seconds. File lengths (MBytes): RWF= 77 Int= 0 D2E= 0 Chk= 3 Scr= 1 請問各位高手,我該怎么做才能找到我想要找的RC和PC呢?萬分感謝 |
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金蟲 (初入文壇)
金蟲 (初入文壇)
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