[
  {
    "molid": "mol11509",
    "smiles": "Cc1ccc(C)c(C=CC(=O)O)c1O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1ccc(C)c(C=CC(=O)O)c1O",
        "std_free_energy": -4.059327125549316,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "Cc1ccc(C)c(C=CC(=O)[O-])c1O",
        "std_free_energy": -8.892242431640625,
        "relative_population": 0.9996793908874133
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.84,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 3.83999991416931,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]