[
  {
    "molid": "mol38457",
    "smiles": "NCCCCCCCN",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "NCCCCCCCN",
        "std_free_energy": 2.4642930030822754,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "NCCCCCCC[NH3+]",
        "std_free_energy": -8.040943145751953,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.78999996185303,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]