[
  {
    "molid": "mol30683",
    "smiles": "Cc1cccc(O)c1-c1c(C)cccc1O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cccc(O)c1-c1c(C)cccc1O",
        "std_free_energy": -6.236087322235107,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1cccc([O-])c1-c1c(C)cccc1O",
        "std_free_energy": -2.678288459777832,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 11.2200002670288,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]