[
  {
    "molid": "mol10208",
    "smiles": "CN(O)N=Nc1ccccc1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "CN(O)N=Nc1ccccc1",
        "std_free_energy": -5.228541374206543,
        "relative_population": 0.9999633968589655
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CN([O-])N=Nc1ccccc1",
        "std_free_energy": -5.724039077758789,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 12.11,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]