openforcefield / amber-ff-porting

Scratch space for porting amber FFs into SMIRNOFF format
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Proline energies #25

Open j-wags opened 3 years ago

j-wags commented 3 years ago

Dipeptide dihedral energies are slightly off (around 0.01 to 0.02 kcal/mol). Doesn't appear to be a parameter mismatch. Unsure about root cause, since dihedrals are being set to match AMBER order.

j-wags commented 3 years ago

Original reference: https://github.com/openforcefield/amber-ff-porting/issues/18#issuecomment-682407683