H-bond FF parameters?



 Dear netters,
 Maybe the following is a trivial question and I apologise for this.
 I would like to know if there is a parameter set to calculate H-bond
 interaction including halogens (Br, I, Cl and F).
 Any advice will be appreciated.
 Thank to all.
 Rino
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 ||                                                                           ||
 ||  Dr. Rino Ragno                            E-mail: rino -AatT-
 wucmd.wustl.edu   ||
 ||  Institute for Biomedical Computing            or: rino -AatT- ibc.wustl.edu
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 ||  Center for Molecular Design               Phone : 314-362-2273           ||
 ||  Box 8036, Washington University           FAX   : 314-362-0234           ||
 ||  700 South Euclid Avenue                                                  ||
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 ||  U. S. A.                                                                 ||
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