[
  {
    "molid": "mol6290",
    "smiles": "CS(=O)(=O)c1c(N)ccc2ccccc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CS(=O)(=O)c1c(N)ccc2ccccc12",
        "std_free_energy": -6.909860134124756,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CS(=O)(=O)c1c([NH3+])ccc2ccccc12",
        "std_free_energy": 7.02994441986084,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": -0.55,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": -0.550000011920929,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]