<DIV>Doctor:</DIV>
<DIV> I have done Lowdin population analysis on the Fe clusters. From the Lowdin charges, I find that the total charge of the cluster is a little lower than the accurate value. Take the Fe3 cluster for example,using 3d4s for Fe.</DIV>
<DIV> Lowdin charges:</DIV>
<DIV> Atom # 1: total charge = 7.8407 ... </DIV>
<DIV> Atom # 2: total charge = 7.8407 ... </DIV>
<DIV> Atom # 3: total charge = 8.0938 ... </DIV>
<DIV> The sum charge of the three atoms is 23.7752 which is not 24. So where is the other charges ? Or is this accurate enough ?</DIV>
<DIV> the input is as follows:</DIV>
<DIV> &inputpp</DIV>
<DIV> outdir='./'</DIV>
<DIV> prefix='Fe3'</DIV>
<DIV> Emin=-8.0, Emax=-1, DeltaE=0.1</DIV>
<DIV> ngauss=0, degauss=0.001</DIV>
<DIV> /</DIV>
<DIV> thanks for your help.</DIV>
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