[
  {
    "molid": "mol33876",
    "smiles": "NCC[Se][Se]CCN",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "NCC[Se][Se]CCN",
        "std_free_energy": 0.04400511085987091,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "NCC[Se][Se]CC[NH3+]",
        "std_free_energy": -7.4643988609313965,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.63000011444092,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]