[
  {
    "molid": "mol10015",
    "smiles": "CC(C)(C)C(C(=O)O)C(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC(C)(C)C(C(=O)O)C(=O)O",
        "std_free_energy": -1.0525481700897217,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CC(C)(C)C(C(=O)[O-])C(=O)O",
        "std_free_energy": -10.341484069824219,
        "relative_population": 1.0
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "CC(C)(C)C(C(=O)[O-])C(=O)[O-]",
        "std_free_energy": -11.475662231445312,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.92,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 7.04,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]