[
  {
    "molid": "mol37195",
    "smiles": "O=P1(O)CSC(c2ccccc2)SC1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=[P@]1(O)CS[C@H](c2ccccc2)SC1",
        "std_free_energy": -2.4761276245117188,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=[P@]1([O-])CS[C@H](c2ccccc2)SC1",
        "std_free_energy": -11.131635665893555,
        "relative_population": 0.9999992169297319
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.55999994277954,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]