[
  {
    "molid": "mol33770",
    "smiles": "O=C1CC[C@@H](C(=O)O)N1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C1CC[C@@H](C(=O)O)N1",
        "std_free_energy": -2.7014222145080566,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C1CC[C@@H](C(=O)[O-])N1",
        "std_free_energy": -10.278969764709473,
        "relative_population": 0.9999225994161007
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.59999990463257,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 3.23000001907349,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 3.3199999332428,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 3.75999999046326,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]