Re: CCL:problem with geometry optimization on G03



Hi
 Probably your system reach te highest group of symmetry
 Gaussian than stop calculations by default
 try to add NOSYMM option to your input
 > Dear all,
 >
 > I have been doing optimization of silver and copper
 > open shell complexes using DFT(b3lyp), and I often get
 > the following error message:
 >
 >
 >
 >  Stoichiometry    C20H20CuN4(2+,2)
 >  Framework group
 > D2H[O(Cu),C2(HCN.NCH),C2'(HCN.NCH),SG(C8H8),SG"(C8H8)]
 >  Deg. of freedom    22
 >  Full point group                 D2H     NOp   8
 >  Omega: Change in point group or standard orientation.
 >
 >  Old FWG=D02H
 > [O(Cu1),C2(H1C1N1.N1C1H1),C2'(H1C1N1.N1C1H1),SG'(C8H8),SG"(C8H8)
 >  New FWG=D02H
 > [O(Cu1),C2(H1C1N1.N1C1H1),C2'(H1C1N1.N1C1H1),SG(C8H8),SG"(C8H8)]
 >  Error termination via Lnk1e in
 > /usr/local/g03/l202.exe at Wed Jun 15 13:48:21 2005.
 >  Job cpu time:  0 days  0 hours 25 minutes  6.9
 > seconds.
 >  File lengths (MBytes):  RWF=    188 Int=      0 D2E=
 >     0 Chk=     22 Scr=      1
 >
 > Does anyone know how to avoid this?
 >
 > Thanks
 >
 > Ricardo O Esplugas
 > Chemistry Dept
 > Sussex University
 > UK
 >
 >
 >
 >
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