[
  {
    "molid": "mol27169",
    "smiles": "O=C1CCCCCCN1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C1CCCCCCN1",
        "std_free_energy": -7.035435676574707,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "[OH+]=C1CCCCCCN1",
        "std_free_energy": 3.941464900970459,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": -0.0785,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]