dataset: DMC standardized_repo_id: OneScience/DMC domain: matchem format: - extxyz splits: train: path: data/DMC/solvent_xtb_train_200.xyz frames: 203 note_zh: 文件名表示 200 个训练构型,文件内还包含 3 个 isolated atom 构型。 test: path: data/DMC/solvent_xtb_test.xyz frames: 1000 sample_schema: extxyz_comment_fields: - Properties - energy_xtb - pbc properties: species: dtype: string shape: [num_atoms] description_zh: 元素符号。 pos: dtype: float shape: [num_atoms, 3] unit: Angstrom description_zh: 原子坐标。 molID: dtype: int shape: [num_atoms] optional: true description_zh: 分子编号,isolated atom 构型中可能不存在。 forces_xtb: dtype: float shape: [num_atoms, 3] unit: eV/Angstrom description_zh: XTB 计算得到的原子受力。 config_fields: energy_xtb: dtype: float unit: eV description_zh: XTB 计算得到的构型总能量。 model_expected_keys: energy_key: energy_xtb forces_key: forces_xtb train_file: data/DMC/solvent_xtb_train_200.xyz test_file: data/DMC/solvent_xtb_test.xyz elements: - H - C - O