Announcing

                     AMPAC 4.0 with Graphical User Interface

Dear Netters:

  Professor Dewar is  very near  retirement and has  asked that  I take on
  the responsibility of promoting and maintaining AMPAC, and I have accep-
  ted.  He has  further asked  that AMPAC  be marketed  in  order to  pro-
  vide  a stable  source of  funds for maintenance and expansion.  We have
  established Semichem,  Inc.  to  carry  out  this  task.   The new AMPAC
  includes  Professor  Dewar's  "next  generation"  semiempirical  method, 
  SAM1, which will soon be  parameterized  for transition metals and other
  elements requiring d-orbitals for proper  treatment.  Other new features 
  include  an  annealing routine  for  locating minima,  the MNDOC and PM3 
  Hamiltonians, improved  and  corrected CI  treatment,  the AMSOL models,
  NBO and ESP population analysis methods, and an XWindows/Motif Graphical 
  User Interface  that  will run  on  virtually  any system.  In addition, 
  Semichem  consists of former  Dewar students, offering the best possible
  programming   and  scientific   support  available.   Please  contact me 
  below if you have any further questions.   Academic pricing is available.

                                Andy Holder

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                              DR. ANDREW HOLDER
             Assistant Professor of Computational/Organic Chemistry

Department of Chemistry              ||  BITNET Addr:   AHOLDER@UMKCVAX1
University of Missouri - Kansas City ||  Internet Addr: aholder@vax1.umkc.edu
Spencer Chemistry, Room 315          ||  Phone Number:  (816) 235-2293
Kansas City, Missouri 64110          ||  FAX Number:    (816) 235-1717
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