[
  {
    "molid": "mol38025",
    "smiles": "N=C(N)c1cccc([N+](=O)[O-])c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "N=C(N)c1cccc([N+](=O)[O-])c1",
        "std_free_energy": -2.4549925327301025,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "NC(=[NH2+])c1cccc([N+](=O)[O-])c1",
        "std_free_energy": -9.133515357971191,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.3699998855591,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]