[
  {
    "molid": "mol37538",
    "smiles": "O=C(/C=C/c1ccc(O)cc1O)c1ccc(O)cc1",
    "microspecies": [
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C(/C=C/c1ccc(O)cc1O)c1ccc([O-])cc1",
        "std_free_energy": -2.5339369773864746,
        "relative_population": 0.41792912330297743
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C(/C=C/c1ccc([O-])cc1O)c1ccc(O)cc1",
        "std_free_energy": -2.519864082336426,
        "relative_population": 0.41208884183336447
      },
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "O=C(/C=C/c1ccc(O)cc1[O-])c1ccc(O)cc1",
        "std_free_energy": -1.6343178749084473,
        "relative_population": 0.16998203486365812
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "O=C(/C=C/c1ccc([O-])cc1O)c1ccc([O-])cc1",
        "std_free_energy": -0.5382415652275085,
        "relative_population": 0.9707673207978732
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.19999980926514,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]