[
  {
    "molid": "mol21799",
    "smiles": "Nc1ccc(S(=O)(=O)c2ccc(N)cc2)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1ccc(S(=O)(=O)c2ccc(N)cc2)cc1",
        "std_free_energy": -7.706140518188477,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Nc1ccc(S(=O)(=O)c2ccc([NH3+])cc2)cc1",
        "std_free_energy": 2.314107894897461,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.41,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Organic Oxygen Acids and Nitrogen Bases"
      },
      {
        "pka_value": 2.2,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 1.6,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 1.16,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      },
      {
        "pka_value": 2.25,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]