[
  {
    "molid": "mol10009",
    "smiles": "CCOC(=O)C(C)C(C)=O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCOC(=O)[C@H](C)C(C)=O",
        "std_free_energy": -6.885568618774414,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "CCOC(=O)[C-](C)C(C)=O",
        "std_free_energy": 6.257420539855957,
        "relative_population": 0.9979190007115983
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 12.42,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 12.46666667,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]