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[求助]
gaussian 09溶劑化熒光發(fā)射的例子第4步運行出錯
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我在運行高斯09的溶劑中熒光發(fā)射的例子時出錯,希望前輩們指點一下啊。按照http://www.gaussian.com/g_tech/g_ur/k_scrf.htm的步驟,在第4步的時候出錯,最后出現(xiàn)的信息是: Cartesian force constants read from checkpoint file: 04-ac.chk Length of force constants on CHK file is 0 NAT3TT is 231 Error termination via Lnk1e in /chimie/soft/g09/l103.exe 執(zhí)行的計算是: %chk=04-ac # B3LYP/6-31+G(d,p) TD=(Read,NStates=6,Root=1) SCRF=(Solvent=Ethanol) Geom=Modify Guess=Read Opt=RCFC Acetaldehyde: excited state opt Modify geometry to break Cs symmetry since first excited state is A" 0 1 4 1 2 3 10.0 5 1 2 7 -50.0 |
我的 |
銀蟲 (正式寫手)
銀蟲 (正式寫手)
銀蟲 (正式寫手)
銀蟲 (正式寫手)
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關(guān)于例子的step4,我跟高斯官方確認(rèn)了一下,step4應(yīng)該讀取step2的的checkpoint文件,同時去掉“=RCFC”,具體見郵件回復(fù): Thank you for your inquiry. "Step 4" should read the checkpoint file from "Step 2", since both of them use the linear-response approach to compute the excited state wave functions ("Step 3" follows the "StateSpecific" approach, so it is a little different). Nevertheless, the TD calculation in "Step 2" removed the force constants from the checkpoint file that came from "Step 1". In general, there would not be much harm in just removing the "RCFC" option from "Step 4" since it is a geometry optimization on the excited state but the force constants were from the ground state, and the curvature of the potential energy surfaces for the two states can be different in that region. If the force constants from the ground state are useful for your calculation on the excited state, then use a copy of "01-ac.chk" for your "Step 4" calculation instead of a copy of "02-ac.chk", in which case, you would then have to remove the "Read" option from the "TD" keyword since "01-ac.chk" does not contain transition densities. |
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