[
  {
    "molid": "mol35965",
    "smiles": "O=C(O)C(C(C(=O)O)P(=O)(O)O)P(=O)(O)O",
    "microspecies": [
      {
        "id": "-6_1",
        "charge": -6,
        "smiles": "O=C([O-])[C@H]([C@@H](C(=O)[O-])P(=O)([O-])[O-])P(=O)([O-])[O-]",
        "std_free_energy": -15.736990928649902,
        "relative_population": 0.9999972750591781
      },
      {
        "id": "-5_3",
        "charge": -5,
        "smiles": "O=C([O-])[C@H]([C@@H](C(=O)[O-])P(=O)([O-])O)P(=O)([O-])[O-]",
        "std_free_energy": -15.6303129196167,
        "relative_population": 0.7162654150436831
      },
      {
        "id": "-5_9",
        "charge": -5,
        "smiles": "O=C([O-])[C@H]([C@@H](C(=O)O)P(=O)([O-])[O-])P(=O)([O-])[O-]",
        "std_free_energy": -14.704268455505371,
        "relative_population": 0.2837252458123033
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 11.8800001144409,
        "charge_state_pre": -5,
        "charge_state_post": -6,
        "data_source": "QSARToolbox"
      }
    ]
  }
]