[
  {
    "molid": "mol34133",
    "smiles": "Cc1cc(C)c(C(=O)O)c(C(C)(C)C(=O)O)c1C",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cc(C)c(C(=O)O)c(C(C)(C)C(=O)O)c1C",
        "std_free_energy": -1.6154673099517822,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1cc(C)c(C(=O)[O-])c(C(C)(C)C(=O)O)c1C",
        "std_free_energy": -9.493109703063965,
        "relative_population": 0.6142869039984074
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "Cc1cc(C)c(C(=O)O)c(C(C)(C)C(=O)[O-])c1C",
        "std_free_energy": -9.027741432189941,
        "relative_population": 0.3857130960015927
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.58999991416931,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]