[
  {
    "molid": "mol2000",
    "smiles": "CCCCNC",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCCCNC",
        "std_free_energy": 0.20238596200942993,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CCCC[NH2+]C",
        "std_free_energy": -9.76153564453125,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.9,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 10.8,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 10.8000001907349,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]