[
  {
    "molid": "mol6007",
    "smiles": "O=C(O)CNc1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-]",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(O)CNc1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-]",
        "std_free_energy": -2.520587921142578,
        "relative_population": 0.9986578708274034
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "O=C(O)C[NH2+]c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-]",
        "std_free_energy": 12.53347396850586,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": -9.27,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]