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Greetings!  J. Eric Stone made available an excellent molecular modeling and estimation program

called Molgen.  For details, see the file below:



ftp://ftp.ccl.net/pub/chemistry/software/MS-DOS/molgen/README



This program installs and runs with no problem on a 25 MHz IBM PS/1 computer with the

WIN3.1 operating system.  However, on a Pentium II 60 MHz computer (WIN95), a DELL

latitude 700 MHz (WIN98), an IBM Thinkpad 900 MHz (WIN98) and a Gateway E-3400 800

MHz (WIN2000), a runtime 200 error occurs.  I have now tracked down that error.  You may

read about it at the address below.



Http://www.merlyn.demon.co.uk/pas-r200.htm#why



Molgen.exe, startmop.exe and startamp.exe are all affected.  Fortunately, using an EXE patch by

Andreas Stiller, the problem may be corrected.  This patch may be found at



ftp://ftp.heise.de/pub/ct/cts/ctbppat.zip



I have used this patch to correct the aforementioned programs, and now molgen runs without a

problem on the computers listed above.  The program molgen.zip will make it easier for you to

install the program.  Just unzip it to your hard drive (C:\, D:\, etc.)  In your autoexec.bat, add the

line



SET MOLGENTEMP=C:\MOLGEN



or some such path for the temporary files generated. Alternatively, you may assign the user varable

molgentemp under system properties in windows.  For example, for Windows 2000 go to

CONTROL PANEL, then SYSTEM, then ADVANCED, then ENVIRONMENTAL

VARIABLES.  Under USER VARIABLES, select NEW.  Enter molgentemp as the variable

name and C:\molgen as the value (for example).   The user manuals may be found in the

original directory



ftp://ftp.ccl.net/pub/chemistry/software/MS-DOS/molgen/



Note: startmop.exe does not work with Mopac150, which is a WIN95 program, so don't replace

mopac.exe with the Mopac150 executable.  I think its great that people like Eric make it possible

for poor university professors like me to do quality research!



Vaneica Young

Associate Professor of Chemistry

University of Florida

young@chem.ufl.edu
Modified: Tue Jun 26 19:14:42 2001 GMT
Page accessed 411 times since Mon Jul 23 04:32:35 2001 GMT