[
  {
    "molid": "mol33746",
    "smiles": "OCC#CCO",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "OCC#CCO",
        "std_free_energy": -7.492656230926514,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]CC#CCO",
        "std_free_energy": 7.278059959411621,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 12.6000003814697,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 12.6400003433228,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]