Hi all

Can anyone tell me how to use the -3 keyword to get MM3 atom types?
https://openbabel.org/docs/dev/FileFormats/Tinker_XYZ_format.html

For example

babel -isdf aceticacid.sdf -otxyz aceticacidmm3.txyz -3
babel -isdf aceticacid.sdf -otxyz -3 aceticacidmm3.txyz

doesn’t seem to work, i.e. it gives me mm2 atom types.  For example the last 
atom type in txyz should be 24 as far as I can see.

I generated aceticacid.sdf by

obabel -:'CC(=O)O' -osdf --Gen3D > aceticacid.sdf

Best regards, Jan
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Jan H. Jensen Professor
Department of Chemistry jhjen...@chem.ku.dk<mailto:jhjen...@chem.ku.dk>
University of Copenhagen Phone: +45 51 82 69 85
Universitetsparken 5 FAX:   +45 35 32 02 14
2100 Copenhagen Denmark
Twitter: @janhjensen
http://molecularmodelingbasics.blogspot.com
http://proteinsandwavefunctions.blogspot.com/
http://compchemhighlights.org: A new kind of chemistry journal
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