[
  {
    "molid": "mol362",
    "smiles": "O=C(O)c1ccccc1-c1ncc(-c2ccccc2)o1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)c1ccccc1-c1ncc(-c2ccccc2)o1",
        "std_free_energy": -4.027119159698486,
        "relative_population": 0.9993439401832542
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([O-])c1ccccc1-c1ncc(-c2ccccc2)o1",
        "std_free_energy": -10.94615650177002,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.9,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]