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MS5.5計(jì)算頻率出現(xiàn)錯誤
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用MS5.5作吸附計(jì)算時(shí)遇到了問題:模擬噻吩類硫化物在Mo16S32團(tuán)簇上吸附,底層原子有固定,優(yōu)化收斂了。想計(jì)算頻率,計(jì)算噻吩的頻率就成功了,但是計(jì)算帶有甲基的噻吩類硫化物時(shí)就失敗了,失敗出現(xiàn)2種情況:迭代1000步不收斂,選用的參數(shù)和結(jié)構(gòu)優(yōu)化時(shí)都一樣。請各位大神給予指點(diǎn),謝謝 !!outmol文件上傳至附件 其中找到這樣的warning,但是計(jì)算成功那個里面也有同樣的warning。 Warning: SYMDEC file generation reset to off Warning: ecp takes precedence over using symmetrized basis Warning: Existing HESSIAN file deleted. A frequency calculation will be restarted using the information on file HESSWK. Calculation is Spin_restricted Warning: no SYM file, no symmetry used in vibrational analysis Warning: at least C1 SYM file should be there for optgeom [ Last edited by lingmingli on 2012-5-22 at 14:18 ] |
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