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ppshanshanqiu

铜虫 (小有名气)

[交流] 【求助】关于激发态优化

输入文件,想要优化的分子是溴代的联苯醚,下面是输入文件,后面是出错信息,不知道问题出在哪里,应该怎么调节,换过好几种guess方法,也还是不能收敛,用于做该优化初始构型的是在基态下优化好的某一构型

# opt cis=(singlets,nstates=6,root=1)/6-31+g(d) guess=core geom=connectivity scf=qc



Search did not lower the energy significantly.
No lower point found -- try reversing direction.
Search did not lower the energy significantly.
No lower point found -- switch to scaled steepest descent.
Search did not lower the energy significantly.
Scaled steepest descent with Shift=0.000 failed.
Search did not lower the energy significantly.
Scaled steepest descent with Shift=0.025 failed.
Search did not lower the energy significantly.
Scaled steepest descent with Shift=0.050 failed.
Search did not lower the energy significantly.
Scaled steepest descent with Shift=0.075 failed.
Search did not lower the energy significantly.
No lower point found -- switch to steepest descent.
Search did not lower the energy significantly.
No lower point found -- run aborted.
Error termination via Lnk1e in /home/tanxh/g03/l508.exe at Sun Jun  1 23:54:53 2008.
Job cpu time:  0 days  8 hours  8 minutes 30.4 seconds.
File lengths (MBytes):  RWF=  15766 Int=      0 D2E=      0 Chk=     40 Scr=      1
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