[
  {
    "molid": "mol28975",
    "smiles": "O=[N+]([O-])c1ccccc1P(=O)(O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=[N+]([O-])c1ccccc1P(=O)(O)O",
        "std_free_energy": -0.006801962852478027,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=[N+]([O-])c1ccccc1P(=O)([O-])O",
        "std_free_energy": -13.146528244018555,
        "relative_population": 1.0
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "O=[N+]([O-])c1ccccc1P(=O)([O-])[O-]",
        "std_free_energy": -14.007240295410156,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.45000004768372,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 1.365,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      },
      {
        "pka_value": 6.73999977111816,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 6.895,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]