# Data used by openff-toolkit

## Manifest
- `forcefield` - contains sample SMIRNOFF ffxml files for different systems/regions of chemical space
- `molecules` - contains files for certain molecules used by openff-toolkit
- `systems` - contains systems consisting of mixtures of molecules
- `proteins` - contains pdb files for example proteins 
- `reference_energies` - contains reference energies for regression tests
