[
  {
    "molid": "mol11434",
    "smiles": "CCCCOP(=O)(CC(=O)O)OCCCC",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCCCOP(=O)(CC(=O)O)OCCCC",
        "std_free_energy": -3.440051555633545,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CCCCOP(=O)(CC(=O)[O-])OCCCC",
        "std_free_energy": -9.711748123168945,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.58,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 3.57999992370605,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]