[
  {
    "molid": "mol11693",
    "smiles": "CC1(c2ccccc2)C(=O)NC(=O)C1C#N",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[C@]1(c2ccccc2)C(=O)NC(=O)[C@@H]1C#N",
        "std_free_energy": -3.7263948917388916,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C[C@]1(c2ccccc2)C(=O)[N-]C(=O)[C@@H]1C#N",
        "std_free_energy": -4.748666763305664,
        "relative_population": 0.8819737032753004
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "C[C@]1(c2ccccc2)C(=O)NC(=O)[C-]1C#N",
        "std_free_energy": -2.7374119758605957,
        "relative_population": 0.11802629672469954
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.2,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]