[
  {
    "molid": "mol27834",
    "smiles": "CC(Cl)[N+](=O)[O-]",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[C@@H](Cl)[N+](=O)[O-]",
        "std_free_energy": -5.903763771057129,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C[C-](Cl)[N+](=O)[O-]",
        "std_free_energy": -5.529549598693848,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.8,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]