[
  {
    "molid": "mol32519",
    "smiles": "CC(C)(C=CC(=O)O)c1ccccc1O",
    "microspecies": [
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CC(C)(C=CC(=O)[O-])c1ccccc1O",
        "std_free_energy": -9.164337158203125,
        "relative_population": 0.9999188554994279
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "CC(C)(C=CC(=O)[O-])c1ccccc1[O-]",
        "std_free_energy": 0.7035049200057983,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.71,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "OCHEM"
      }
    ]
  }
]