[
  {
    "molid": "mol32439",
    "smiles": "Cc1cccc(C=NO)n1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cccc(C=NO)n1",
        "std_free_energy": -7.376108169555664,
        "relative_population": 0.9980511400584924
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1cccc(C=N[O-])n1",
        "std_free_energy": 0.6149530410766602,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.0,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]