Re: Mopac with Cygwin
The latest version of MOPAC 2002 runs under Linux and Windows. It is not
free but it is fully supported by Fujitsu. For technical information
David Gallagher, Fujitsu
At 10:49 AM 5/1/2002 -0700, David Case wrote:
On Mon, Apr 29, 2002, Stephen Bowlus wrote:
> I am trying to run Mopac 6 on a P3/Win2K machine under Cygwin. Set up for
> 20 heavy/30 light atoms and without ESP, the program compiles with g77 with
> only 2 small complaints. Test runs invoked by redirection (mopac <
> output) end with a segmentation fault. The stackdump gives an
> status access violation.
In my experience, such problems are not limited to Cygwin: I have had
similar experience with a number of mopac's (versions 5,6,and 7) on Linux,
IRIX, and other Unix systems.
The only free (as in beer) version I have seen that seems to work reliably
with "modern" Unix and Unix-like systems is from the Minnesota group:
However, this version is provided under a license agreement that doesn't
Let me emphasize that I am *not* a mopac expert, and I have not spent time
trying to debug any of the codes I have tried. I would be delighted to hear
> from the CCL community of pointers to other mopac's that work well under
Linux/cygwin, particularly those that could be freely redistributed.
David A. Case | e-mail: case-0at0-scripps.edu
Dept. of Molecular Biology, TPC15 | fax: +1-858-784-8896
The Scripps Research Institute | phone: +1-858-784-9768
10550 N. Torrey Pines Rd. | home page:
La Jolla CA 92037 USA | http://www.scripps.edu/case
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David A. Gallagher, C. Chem.
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