I would like to use MOPAC internal coordinates as data for GAMESS. If you have an example of this please forward your input file to me. thanks, Rudy Gostowski Department of Chemistry Austin Peay State University Box 4547 Clarksville, TN 37044 931-648-7624 FAX 931-648-5996 gostowskir ( ( at ) ) apsu01.apsu.edu