[
  {
    "molid": "mol14524",
    "smiles": "Cc1cc(C)c2c(O)c(CC(=O)O)oc2c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cc(C)c2c(O)c(CC(=O)O)oc2c1",
        "std_free_energy": -4.2005510330200195,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "Cc1cc(C)c2c(O)c(CC(=O)[O-])oc2c1",
        "std_free_energy": -8.670330047607422,
        "relative_population": 0.9991090378836874
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.75,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      }
    ]
  }
]