[
  {
    "molid": "mol35406",
    "smiles": "CCCCNP(=O)(O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCCCNP(=O)(O)O",
        "std_free_energy": -1.5992999076843262,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "CCCCNP(=O)([O-])O",
        "std_free_energy": -12.17372989654541,
        "relative_population": 0.9999950351751076
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.92000007629395,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]