[
  {
    "molid": "mol10328",
    "smiles": "CON=C1C=CC(=NO)C(Cl)=C1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "CON=C1C=CC(=NO)C(Cl)=C1",
        "std_free_energy": -6.903651714324951,
        "relative_population": 0.9999993117658458
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CON=C1C=CC(=N[O-])C(Cl)=C1",
        "std_free_energy": -2.006148099899292,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.6,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]