[
  {
    "molid": "mol32440",
    "smiles": "O=C(O)C1(Cl)C2CCCC21",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)[C@@]1(Cl)[C@@H]2CCC[C@@H]21",
        "std_free_energy": -2.4839320182800293,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([O-])[C@@]1(Cl)[C@@H]2CCC[C@@H]21",
        "std_free_energy": -11.027576446533203,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.925,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]