[
  {
    "molid": "mol4219",
    "smiles": "CSc1ncccn1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CSc1ncccn1",
        "std_free_energy": -8.452326774597168,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CSc1nccc[nH+]1",
        "std_free_energy": 3.3463199138641357,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 0.59,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Organic Oxygen Acids and Nitrogen Bases"
      },
      {
        "pka_value": 0.29,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 0.589999973773956,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]