[
  {
    "molid": "mol13419",
    "smiles": "Nc1cccc([I+]c2ccccc2)c1",
    "microspecies": [
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Nc1cccc([I+]c2ccccc2)c1",
        "std_free_energy": -6.865981578826904,
        "relative_population": 1.0
      },
      {
        "id": "2_1",
        "charge": 2,
        "smiles": "[NH3+]c1cccc([I+]c2ccccc2)c1",
        "std_free_energy": 3.8117129802703857,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.87,
        "charge_state_pre": 2,
        "charge_state_post": 1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 1.87000000476837,
        "charge_state_pre": 2,
        "charge_state_post": 1,
        "data_source": "QSARToolbox"
      }
    ]
  }
]