MOPAC 7 Installation Instructions for IRIX

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July 4, 2008

MOPAC 7 Installation Instructions for IRIX

Obtain MOPAC 7
MOPAC 7 is public domain and the source code can be obtained from webmo.net.

Verify that the following packages have been installed on the IRIX workstation:

MIPSpro Fortran 77
MIPSpro C

Uncompress the archive
% su
# cd /usr/local
# cp /download_dir/mopac7.tar.z /usr/local
# gunzip mopac7.tar.z
# tar xvf mopac7.tar
# chown -R root:sys mopac7

Compile MOPAC
# cd /usr/local/mopac7/mopac_7_source
# make unix (takes a while)
# exit

Setup a user to run MOPAC and do a test run
% cd ~
% mkdir mopac
% cd mopac
% cp -p /usr/local/mopac7/mopac_7_source/examples/test.dat test.dat
% cp -p /usr/local/mopac7/mopac_7_source/examples/test.out test.out.good
% /usr/local/mopac/runmopac test (opens the output file in vi)

<Ctrl>-f and <Ctrl>-b to scroll; <Esc>:q! to quit

MOPAC documentation
The MOPAC documentation is available in the mopac7/mopac_7_source/manual directory in a variety of formats. The manual was originally distributed in Tex format (mopac.tex) but it has also be translated into a variety of alternative formats. The Tex file has been processed to a DVI file (mopac.dvi). The manual has also been translated to postscript (mopac.ps) that can be viewed using Ghostview/Ghostscript or printed to a postscript printer. Finally, the manual is available in text format (mopac.txt) with much of the formatting, mathematical expressions, tables, etc., nonexistent or messed up.