[
  {
    "molid": "mol33967",
    "smiles": "Nc1c(Cl)cncc1Cl",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Nc1c(Cl)cncc1Cl",
        "std_free_energy": -6.411109924316406,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "[NH3+]c1c(Cl)cncc1Cl",
        "std_free_energy": -0.4851459264755249,
        "relative_population": 0.22810253394137633
      },
      {
        "id": "1_2",
        "charge": 1,
        "smiles": "Nc1c(Cl)c[nH+]cc1Cl",
        "std_free_energy": -1.70420241355896,
        "relative_population": 0.7718974660586236
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.75,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]