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13512385488新蟲 (小有名氣)
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[求助]
計算的朋友快來幫忙,IRC掃描錯誤問題,急急急!
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我有一個協(xié)同反應(yīng)的過渡態(tài),振動趨勢是我想要的,我想用IRC確認一下過渡態(tài)是不是正確的,畢竟是固定了鍵長找的過渡態(tài),結(jié)果只有一個虛頻哦,然后我今天用IRC掃描,其錯誤結(jié)果如下: ******** Start new reaction path calculation ******** Current Structure is TS -> diagonalize the Hessian. WARNING: TS HAS MORE THAN 1 IMAGINARY FREQUENCY! Point Number: 0 Path Number: 1 Calculating another point on the path. Point Number 1 in FORWARD path direction. Using DVV Reaction Path Following. DVV: v0 = 0.0600000 IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC-IRC Leave Link 123 at Thu Jun 23 18:40:24 2011, MaxMem= 536870912 cpu: 21.9 (Enter /home/public/home/ls/g09/l202.exe) Small interatomic distances encountered: 2 1 NaN Atoms too close. Error termination via Lnk1e in /home/public/home/ls/g09/l202.exe at Thu Jun 23 18:40:25 2011. Job cpu time: 0 days 7 hours 50 minutes 32.1 seconds. File lengths (MBytes): RWF= 1928 Int= 0 D2E= 0 Chk= 32 Scr= 1 |
Bao_S_J | 計算化學(xué) |
新蟲 (小有名氣)
木蟲 (正式寫手)

新蟲 (小有名氣)
木蟲 (正式寫手)
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找到的過渡態(tài)的結(jié)構(gòu)好像有問題(不止一個虛頻,原子間距過小) WARNING: TS HAS MORE THAN 1 IMAGINARY FREQUENCY! Small interatomic distances encountered l202進程是讀取坐標判斷體系對稱性并轉(zhuǎn)化為內(nèi)坐標的,不認你這個結(jié)構(gòu)。 |

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