[
  {
    "molid": "mol1459",
    "smiles": "Nc1ccc2c(c1)Cc1c-2ccc2ccccc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1ccc2c(c1)Cc1c-2ccc2ccccc12",
        "std_free_energy": -5.6651716232299805,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "[NH3+]c1ccc2c(c1)Cc1c-2ccc2ccccc12",
        "std_free_energy": -0.7890281081199646,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.67,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]