[
  {
    "molid": "mol9306",
    "smiles": "OCc1ccco1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "OCc1ccco1",
        "std_free_energy": -7.890683174133301,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]Cc1ccco1",
        "std_free_energy": 9.611122131347656,
        "relative_population": 0.7340422692242261
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O[CH-]c1ccco1",
        "std_free_energy": 10.626351356506348,
        "relative_population": 0.26595773077577384
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.55,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]