[
  {
    "molid": "mol9214",
    "smiles": "CC(=NO)C(=O)CO",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC(=NO)C(=O)CO",
        "std_free_energy": -7.063848972320557,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CC(=N[O-])C(=O)CO",
        "std_free_energy": -0.8600916862487793,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.07,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 9.16,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 9.1599998,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 9.15999984741211,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]