[
  {
    "molid": "mol31144",
    "smiles": "CC1(C)CC(=O)C=C(O)C1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC1(C)CC(=O)C=C(O)C1",
        "std_free_energy": -3.7430243492126465,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "CC1(C)CC(=O)C=C([O-])C1",
        "std_free_energy": -6.321423530578613,
        "relative_population": 0.9999436944751758
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.253,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]