[
  {
    "molid": "mol10408",
    "smiles": "Cc1cc(O)ccc1C(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cc(O)ccc1C(=O)O",
        "std_free_energy": -3.8462038040161133,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "Cc1cc(O)ccc1C(=O)[O-]",
        "std_free_energy": -8.505516052246094,
        "relative_population": 0.999195399766813
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.71,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 4.71000003814697,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]