[
  {
    "molid": "mol35480",
    "smiles": "Cc1cc2c([N+](=O)[O-])cccc2c(C)n1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cc2c([N+](=O)[O-])cccc2c(C)n1",
        "std_free_energy": -5.55880880355835,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Cc1cc2c([N+](=O)[O-])cccc2c(C)[nH+]1",
        "std_free_energy": -1.6802747249603271,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.01999998092651,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]