[
  {
    "molid": "mol25897",
    "smiles": "CC(C)(C)c1ccc(C(=O)O)o1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC(C)(C)c1ccc(C(=O)O)o1",
        "std_free_energy": -2.896367311477661,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CC(C)(C)c1ccc(C(=O)[O-])o1",
        "std_free_energy": -10.340639114379883,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.35,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]