[
  {
    "molid": "mol32367",
    "smiles": "CC(=Cc1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1)C(=O)O",
    "microspecies": [
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "CC(=Cc1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1)C(=O)[O-]",
        "std_free_energy": -9.669745445251465,
        "relative_population": 0.9999821080706002
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "CC(=Cc1cc(C(C)(C)C)c([O-])c(C(C)(C)C)c1)C(=O)[O-]",
        "std_free_energy": 2.606895685195923,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 11.5,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "OCHEM"
      }
    ]
  }
]