[
  {
    "molid": "mol474",
    "smiles": "O=C(O)Cn1c(=O)sc2cccc(Cl)c21",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)Cn1c(=O)sc2cccc(Cl)c21",
        "std_free_energy": -2.37214994430542,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([O-])Cn1c(=O)sc2cccc(Cl)c21",
        "std_free_energy": -11.379766464233398,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.04,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Organic Oxygen Acids and Nitrogen Bases"
      },
      {
        "pka_value": 3.6,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]