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Re: E(MP4) - E(MP3) = -26 hartrees?

Pedro Silva
pedros@ufp.edu.pt



I would try to improve the quality of the MP2 guess by adding the following lines to the input file



$scf dirscf=.t. nconv=5 fdiff=0 �diis=.T. $end
$MP2 � method=1 thrdii=10 cutoff=1d-13 $end
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