[
  {
    "molid": "mol14688",
    "smiles": "O=[N+]([O-])c1ccc(-c2cnc(-c3ccccc3)o2)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=[N+]([O-])c1ccc(-c2cnc(-c3ccccc3)o2)cc1",
        "std_free_energy": -6.787647247314453,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "O=[N+]([O-])c1ccc(-c2c[nH+]c(-c3ccccc3)o2)cc1",
        "std_free_energy": 7.4874491691589355,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 0.35,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 0.34999999,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 0.349999994039536,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]