[
  {
    "molid": "mol26747",
    "smiles": "C[n+]1c2ccc(Br)cc2cc2c3ccccc3[nH]c21",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[n+]1c2ccc(Br)cc2cc2c3ccccc3[n-]c21",
        "std_free_energy": -2.7063941955566406,
        "relative_population": 0.9997052270081317
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "C[n+]1c2ccc(Br)cc2cc2c3ccccc3[nH]c21",
        "std_free_energy": -5.236838340759277,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.6,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]