[
  {
    "molid": "mol18423",
    "smiles": "C[n+]1cn(-c2ccccc2)cc1/C=N/O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[n+]1cn(-c2ccccc2)cc1/C=N/[O-]",
        "std_free_energy": -2.97727370262146,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "C[n+]1cn(-c2ccccc2)cc1/C=N/O",
        "std_free_energy": -5.595633506774902,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.49,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]