[
  {
    "molid": "mol31702",
    "smiles": "C[C@H](O)[C@H](Cl)C(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[C@H](O)[C@H](Cl)C(=O)O",
        "std_free_energy": -2.4595861434936523,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "C[C@H](O)[C@H](Cl)C(=O)[O-]",
        "std_free_energy": -11.276529312133789,
        "relative_population": 0.9999991641577042
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.59,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]