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tip4pd-a99SB-disp parameters

enhancement

Status: Open.

#442In openmm/openmmforcefields;

· samuelmurail opened on Jun 17, 2026

Which nonstandard amino acid residues can openmmforcefields handle?

Status: Open.

#440In openmm/openmmforcefields;

· HoaSoup opened on May 13, 2026

EspalomaTemplateGenerator default charges unclear

Status: Open.

#421In openmm/openmmforcefields;

· jthorton opened on Dec 2, 2025

1,4 scaling factors (lj+coulomb) overwritten by forcefield.createSystem()

Status: Open.

#416In openmm/openmmforcefields;

· candidechamp opened on Nov 12, 2025

Discrepancy in espaloma energies when using template generator, which calls regenerate_impropers

Status: Open.

#412In openmm/openmmforcefields;

· diogomart opened on Oct 16, 2025

Amber ff19ipq is not a complete/published release

enhancement

Status: Open.

#410In openmm/openmmforcefields;

· jeremyleung521 opened on Oct 14, 2025

ambertools >=20 missing in conda-forge openmmforcefields install

Status: Open.

#406In openmm/openmmforcefields;

· AharoniLab opened on Sep 29, 2025

Add NBFIX to Amber forcefield to the xml

Status: Open.

#405In openmm/openmmforcefields;

· DanielWicz opened on Sep 29, 2025

Problem with Espaloma template generator

Status: Open.

#404In openmm/openmmforcefields;

· mallanos opened on Sep 2, 2025

Validate Amber force fields against sander energies/forces

Status: Open.

#393In openmm/openmmforcefields;

· epretti opened on Jul 25, 2025

-c conda-forge lipid17.xml does not match GitHub version

Status: Open.

#387In openmm/openmmforcefields;

· MiloszGrabski opened on Jul 2, 2025

Difference in Generalized Born energy

Status: Open.

#380In openmm/openmmforcefields;

· tejtaruns opened on May 26, 2025