[
  {
    "molid": "mol1599",
    "smiles": "CCCCCN1CCOCC1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCCCCN1CCOCC1",
        "std_free_energy": -4.107096195220947,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CCCCC[NH+]1CCOCC1",
        "std_free_energy": -7.286476135253906,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.69,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]