[
  {
    "molid": "mol32475",
    "smiles": "O=C(O)CCC1CCC(O)CC1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)CC[C@H]1CC[C@@H](O)CC1",
        "std_free_energy": -4.402504920959473,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C([O-])CC[C@H]1CC[C@@H](O)CC1",
        "std_free_energy": -8.509218215942383,
        "relative_population": 0.9999943385509319
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.8600001,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]