[
  {
    "molid": "mol32244",
    "smiles": "Oc1n[nH]c2ccc(Cl)cc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Oc1n[nH]c2ccc(Cl)cc12",
        "std_free_energy": -6.260299205780029,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "[O-]c1n[nH]c2ccc(Cl)cc12",
        "std_free_energy": 0.6029999852180481,
        "relative_population": 0.9642839406974948
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.53,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]