MM3 parameters for isocyano group



 Greetings,
 	I am looking for MM3 (or other molecular mechanics forcefield) parameters
 for the ISOCYANO group.  Can anyone steer me in the right direction?
 	Thanks in advance.
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 Ned H. Martin, W.S. DeLoach Professor    Tel: (910) 962-3453
 Department of Chemistry                         Fax: (910) 962-3013
 University of North Carolina at Wilmington
 Wilmington, NC  28403-3297      email:  martinn-0at0-uncwil.edu