[
  {
    "molid": "mol11786",
    "smiles": "Nc1ccc(S(=O)(=O)Nc2ccc([N+](=O)[O-])cc2)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1ccc(S(=O)(=O)Nc2ccc([N+](=O)[O-])cc2)cc1",
        "std_free_energy": -5.82211971282959,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Nc1ccc(S(=O)(=O)[N-]c2ccc([N+](=O)[O-])cc2)cc1",
        "std_free_energy": -4.516489505767822,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.97,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 6.885,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]