Re: CCL:Mopac with Cygwin
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 error about
> 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 (- at -) 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