[
  {
    "molid": "mol27054",
    "smiles": "O=C(CC(=O)C(F)(F)F)c1ccc([N+](=O)[O-])cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(CC(=O)C(F)(F)F)c1ccc([N+](=O)[O-])cc1",
        "std_free_energy": -2.428727149963379,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C([CH-]C(=O)C(F)(F)F)c1ccc([N+](=O)[O-])cc1",
        "std_free_energy": -3.9331881999969482,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.38,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]