[
  {
    "molid": "mol37136",
    "smiles": "O=P(O)(O)C(Cl)(P(=O)(O)O)P(=O)(O)O",
    "microspecies": [
      {
        "id": "-4_1",
        "charge": -4,
        "smiles": "O=P([O-])([O-])C(Cl)(P(=O)([O-])O)P(=O)([O-])O",
        "std_free_energy": -15.21458625793457,
        "relative_population": 0.4245953442295665
      },
      {
        "id": "-4_2",
        "charge": -4,
        "smiles": "O=P([O-])([O-])C(Cl)(P(=O)([O-])[O-])P(=O)(O)O",
        "std_free_energy": -15.518523216247559,
        "relative_population": 0.5754046557704334
      },
      {
        "id": "-3_1",
        "charge": -3,
        "smiles": "O=P([O-])(O)C(Cl)(P(=O)([O-])O)P(=O)([O-])O",
        "std_free_energy": -14.514180183410645,
        "relative_population": 0.5889459268832302
      },
      {
        "id": "-3_2",
        "charge": -3,
        "smiles": "O=P([O-])([O-])C(Cl)(P(=O)([O-])O)P(=O)(O)O",
        "std_free_energy": -14.154570579528809,
        "relative_population": 0.4110540731167697
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.92000007629395,
        "charge_state_pre": -3,
        "charge_state_post": -4,
        "data_source": "QSARToolbox"
      }
    ]
  }
]