[
  {
    "molid": "mol26461",
    "smiles": "Cn1ncc2ccc([N+](=O)[O-])cc21",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cn1ncc2ccc([N+](=O)[O-])cc21",
        "std_free_energy": -7.183169841766357,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Cn1[nH+]cc2ccc([N+](=O)[O-])cc21",
        "std_free_energy": 7.717829704284668,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": -1.49,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]