[
  {
    "molid": "mol37139",
    "smiles": "O=P(O)(O)C(F)(P(=O)(O)O)P(=O)(O)O",
    "microspecies": [
      {
        "id": "-4_1",
        "charge": -4,
        "smiles": "O=P([O-])([O-])C(F)(P(=O)([O-])O)P(=O)([O-])O",
        "std_free_energy": -15.552887916564941,
        "relative_population": 0.4229582152795345
      },
      {
        "id": "-4_2",
        "charge": -4,
        "smiles": "O=P([O-])([O-])C(F)(P(=O)([O-])[O-])P(=O)(O)O",
        "std_free_energy": -15.863529205322266,
        "relative_population": 0.5770417847204654
      },
      {
        "id": "-3_1",
        "charge": -3,
        "smiles": "O=P([O-])([O-])C(F)(P(=O)([O-])O)P(=O)(O)O",
        "std_free_energy": -14.236001968383789,
        "relative_population": 0.32778638576356883
      },
      {
        "id": "-3_2",
        "charge": -3,
        "smiles": "O=P([O-])(O)C(F)(P(=O)([O-])O)P(=O)([O-])O",
        "std_free_energy": -14.954216003417969,
        "relative_population": 0.6722136142364311
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.76999998092651,
        "charge_state_pre": -3,
        "charge_state_post": -4,
        "data_source": "QSARToolbox"
      }
    ]
  }
]