[
  {
    "molid": "mol37351",
    "smiles": "O=[Se](O)c1cccc(Cl)c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=[Se@](O)c1cccc(Cl)c1",
        "std_free_energy": -3.913099765777588,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=[Se@]([O-])c1cccc(Cl)c1",
        "std_free_energy": -9.091846466064453,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.46999979019165,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]