[
  {
    "molid": "mol2205",
    "smiles": "Nc1cc(Br)ccc1[N+](=O)[O-]",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1cc(Br)ccc1[N+](=O)[O-]",
        "std_free_energy": -7.333468914031982,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "[NH3+]c1cc(Br)ccc1[N+](=O)[O-]",
        "std_free_energy": 9.265115737915039,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": -1.48,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": -1.48000001907349,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]