[
  {
    "molid": "mol32984",
    "smiles": "O=C(O)C1CCCCC1C(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)[C@H]1CCCC[C@@H]1C(=O)O",
        "std_free_energy": -2.2531120777130127,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([O-])[C@H]1CCCC[C@@H]1C(=O)O",
        "std_free_energy": -8.548341751098633,
        "relative_population": 1.0
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "O=C([O-])[C@H]1CCCC[C@@H]1C(=O)[O-]",
        "std_free_energy": -10.64836311340332,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.34000015258789,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 4.17999982833862,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 4.48,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 5.6,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 5.92999982833862,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      }
    ]
  }
]