<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><div id="yiv580537975"><table id="yiv580537975bodyDrftID" class="yiv580537975" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td id="yiv580537975drftMsgContent" style="font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: inherit; font-size-adjust: inherit; font-stretch: inherit; -x-system-font: none; font-family: arial; font-size: 10pt;">Dear all,<br><br>I am trying to do an optimization on a 4-atom molecule using two imaginary centers. The MCSCF module runs with no problem, but when it comes to "optg" it gives the error message "geometry inconsistency." The important parts f the input and output files are given below. Any ideas? <br><br>Many thanks,<br>A. Metropoulos<br><br><br>distro=[4.0] ang;<br>angphi=[93.6] deg;<br>i=0;<br>do iro=1,#distro;<br>do
iph=1,#angphi;<br>i=i+1;<br>r(i)=distro(iro);<br>ph=angphi(iph) deg;<br>rh=0.78 ang;<br>rc=0.6 ang;<br>orient,noorient;<br>symmetry,X;<br>geometry={;<br>X1;<br>X2 X1 r(i);<br>H2 X2 0.5*rh X1 ph;<br>N X1 -RC X2 90. H2 180.;<br>C X1 RC X2 90. H2 180.;<br>H1 X2 -0.5*RH X1 180.-ph C 180.};<br>basis=vdz;<br><br>******** MCSCF came to completion *************<br><br> PROGRAM * OPT (Geometry optimization) Authors: F. Eckert and H.-J. Werner<br><br><br> BFGS update of hessian<br><br> *** Long output written to logfile /home/users/amitr/hcnh/hcnhoneangle.log ***<br><br><br> Geometry optimization using default procedure for command MULTI<br><br> Inactive
variables: R PH RC<br><br> Active variables: RH<br><br> Geometry written to block 1 of record 700<br> ?? Geometry inconsistency ??<br> R= -1.13383567885290 1.13383567885290 <br> ? Error<br> ? Possible programming error in geometry update<br> ? The problem occurs in zmatrix.f:zmat_gradz<br><br> GLOBAL ERROR fehler on processor 0 <br><br></td></tr></tbody></table></div></td></tr></table>