[
  {
    "molid": "mol14045",
    "smiles": "C[Si](C)(CCl)CCCC(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[Si](C)(CCl)CCCC(=O)O",
        "std_free_energy": -4.259545803070068,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C[Si](C)(CCl)CCCC(=O)[O-]",
        "std_free_energy": -7.826841831207275,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.97,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 4.9699998,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 4.96999979019165,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]