[
  {
    "molid": "mol10155",
    "smiles": "NNC(=O)c1ccccc1[N+](=O)[O-]",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "NNC(=O)c1ccccc1[N+](=O)[O-]",
        "std_free_energy": -6.655603408813477,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "[NH3+]NC(=O)c1ccccc1[N+](=O)[O-]",
        "std_free_energy": 4.186956405639648,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "N[N-]C(=O)c1ccccc1[N+](=O)[O-]",
        "std_free_energy": 3.838585376739502,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 11.34,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 2.48,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]