Issues

• Some torsions have two terms with the same periodicity which could be made into one term

  openforcefield/openff-forcefields#148 · Filter by author j-wags opened on Mar 27, 2026

• Chemically equivalent angles in arginine are assigned different parameters

  openforcefield/openff-forcefields#144 · Filter by author epretti opened on Mar 6, 2026
  2

• Sage has no bonded parameters for diatomic oxygen?

  question
  openforcefield/openff-forcefields#140 · Filter by author timbernat opened on Jan 7, 2026
  4

• sulfate angle parameters are incorrectly identified

  openforcefield/openff-forcefields#125 · Filter by author therealchrisneale opened on May 10, 2025
  3

• Document electrostatics 1-4 scaling factor changing from 0.833333 to 0.8333333333

  documentation
  openforcefield/openff-forcefields#120 · Filter by author mattwthompson opened on Jan 30, 2025
  1

• A problem with cyclopropane proper torsion term

  openforcefield/openff-forcefields#60 · Filter by author drmeister opened on Jan 29, 2023
  3

• Chemically equivalent atoms with delocalized formal charge are assigned different torsions

  openforcefield/openff-forcefields#56 · Filter by author chapincavender opened on Sep 23, 2022
  5

• Unclear origin of 90- and 270-degree angle torsion phases

  openforcefield/openff-forcefields#53 · Filter by author mattwthompson opened on Aug 22, 2022
  3

• Add finer-grained "canary" tests

  openforcefield/openff-forcefields#28 · Filter by author j-wags opened on Oct 28, 2020

• Automate running HMR "canary" tests before release

  openforcefield/openff-forcefields#21 · Filter by author j-wags opened on Sep 14, 2020
  2