[
  {
    "molid": "mol37556",
    "smiles": "O=C(C=C(O)/C=C/c1ccc(O)cc1)/C=C/c1ccccc1",
    "microspecies": [
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C(/C=C/c1ccccc1)/C=C(O)\\C=C\\c1ccc([O-])cc1",
        "std_free_energy": -1.5981258153915405,
        "relative_population": 0.4297591660116323
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C(/C=C/c1ccccc1)/C=C([O-])\\C=C\\c1ccc(O)cc1",
        "std_free_energy": -1.8809596300125122,
        "relative_population": 0.5702408339883678
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "O=C(/C=C/c1ccccc1)/C=C([O-])\\C=C\\c1ccc([O-])cc1",
        "std_free_energy": 7.988458633422852,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 12.6999998092651,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]