[
  {
    "molid": "mol2109",
    "smiles": "Nc1cc([N+](=O)[O-])cc2ccccc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1cc([N+](=O)[O-])cc2ccccc12",
        "std_free_energy": -7.01799201965332,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "[NH3+]c1cc([N+](=O)[O-])cc2ccccc12",
        "std_free_energy": 2.8390660285949707,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.07,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 2.24,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 2.26999998092651,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 2.22000002861023,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 2.70000004768372,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]