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Metals in MMFF94

Good Morning!
I would like to know, currently which metals are parameterized in the MMFF94 and MMFF94s and if there are probable transition metals in a parameterization study?
Thanks

The parameters for MMFF94 are in the papers, e.g.
Halgren, T.A. (1996), Merck molecular force field. I. Basis, form, scope, parameterization, and performance of MMFF94. J. Comput. Chem., 17: 490-519

I don’t remember off the top of my head, but I think it’s limited only to a few ions:

   FE+2   87   87   87   87   87    IRON +2 CATION
   FE+3   88   88   88   88   88    IRON +3 CATION
   LI+    92   92   92   92   92    LITHIUM CATION         
   NA+    93   93   93   93   93    SODIUM CATION          
   K+     94   94   94   94   94    POTASSIUM CATION       
   ZN+2   95   95   95   95   95    DIPOSITIVE ZINC CATION 
   CA+2   96   96   96   96   96    DIPOSITIVE CALCIUM CATION
   CU+1   97   97   97   97   97    MONOPOSITIVE COPPER CATION
   CU+2   98   98   98   98   98    DIPOSITIVE COPPER CATION
   MG+2   99   99   99   99   99    DIPOSITIVE MAGNESIUM CATION

In general, if you want metal complexes, I’d recommend UFF as a force field.