[
  {
    "molid": "mol32472",
    "smiles": "O=C(O)CC1(O)CC2CCC1C2",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)C[C@]1(O)C[C@@H]2CC[C@H]1C2",
        "std_free_energy": -4.116365432739258,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C([O-])C[C@]1(O)C[C@@H]2CC[C@H]1C2",
        "std_free_energy": -8.789715766906738,
        "relative_population": 0.9999998469184771
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.5149999,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]