chemistry-rdkit

Installation
SKILL.md

RDKit Cheminformatics Best Practice

Molecular I/O

  1. Create molecules from SMILES: mol = Chem.MolFromSmiles('CCO')
  2. Always check for None: MolFromSmiles returns None on invalid input
  3. Convert to canonical SMILES: Chem.MolToSmiles(mol)
  4. Read SDF files: suppl = Chem.SDMolSupplier('file.sdf')
  5. Read SMILES files: suppl = Chem.SmilesMolSupplier('file.smi')
  6. Write molecules: writer = Chem.SDWriter('output.sdf')

Molecular Descriptors

  1. Molecular weight: Descriptors.MolWt(mol)
  2. LogP (lipophilicity): Descriptors.MolLogP(mol)
  3. TPSA (polar surface area): Descriptors.TPSA(mol)
  4. H-bond donors/acceptors: Descriptors.NumHDonors(mol), Descriptors.NumHAcceptors(mol)
  5. Rotatable bonds: Descriptors.NumRotatableBonds(mol)
  6. Lipinski Rule of 5: MW <= 500, LogP <= 5, HBD <= 5, HBA <= 10

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