[
  {
    "molid": "mol6481",
    "smiles": "Cc1cc(S(=O)(=O)O)cc(C)n1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cc(S(=O)(=O)[O-])cc(C)[nH+]1",
        "std_free_energy": -6.559394359588623,
        "relative_population": 0.9990267693936862
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1cc(S(=O)(=O)[O-])cc(C)n1",
        "std_free_energy": -11.56859016418457,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.09,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 5.90000009536743,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]