[
  {
    "molid": "mol7501",
    "smiles": "CNc1ncc(-c2ccccc2)cn1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CNc1ncc(-c2ccccc2)cn1",
        "std_free_energy": -8.568619728088379,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "C[NH2+]c1ncc(-c2ccccc2)cn1",
        "std_free_energy": -1.5862990617752075,
        "relative_population": 0.5946943931980765
      },
      {
        "id": "1_2",
        "charge": 1,
        "smiles": "CNc1ncc(-c2ccccc2)c[nH+]1",
        "std_free_energy": -1.202892780303955,
        "relative_population": 0.4053056068019236
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.42,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]