[
  {
    "molid": "mol31904",
    "smiles": "C[Si](C)(CCCC(=O)O)O[Si](CCC(F)(F)F)(CCC(F)(F)F)CCC(F)(F)F",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[Si](C)(CCCC(=O)O)O[Si](CCC(F)(F)F)(CCC(F)(F)F)CCC(F)(F)F",
        "std_free_energy": -3.824178695678711,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C[Si](C)(CCCC(=O)[O-])O[Si](CCC(F)(F)F)(CCC(F)(F)F)CCC(F)(F)F",
        "std_free_energy": -8.29076862335205,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.95,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]