[
  {
    "molid": "mol36861",
    "smiles": "C[N+]1(CCCCC(=O)O)CCCC1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[N+]1(CCCCC(=O)[O-])CCCC1",
        "std_free_energy": -10.812173843383789,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "C[N+]1(CCCCC(=O)O)CCCC1",
        "std_free_energy": -5.732656002044678,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.21999979019165,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]