[
  {
    "molid": "mol14758",
    "smiles": "O=C(O)c1cc([N+](=O)[O-])ccc1C(=O)c1ccccc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)c1cc([N+](=O)[O-])ccc1C(=O)c1ccccc1",
        "std_free_energy": -1.978095531463623,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([O-])c1cc([N+](=O)[O-])ccc1C(=O)c1ccccc1",
        "std_free_energy": -10.663705825805664,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.86,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 2.8599999,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 2.85999989509583,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]