[
  {
    "molid": "mol1931",
    "smiles": "C/C=C/C=C/C(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C/C=C/C=C/C(=O)O",
        "std_free_energy": -4.065683841705322,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C/C=C/C=C/C(=O)[O-]",
        "std_free_energy": -8.97064208984375,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.53,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 4.77,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 4.5,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 4.53000020980835,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 4.631666667,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]