[
  {
    "molid": "mol11706",
    "smiles": "Cc1[nH]c(=O)n(Cc2ccccc2)c(=O)c1[N+](=O)[O-]",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1[nH]c(=O)n(Cc2ccccc2)c(=O)c1[N+](=O)[O-]",
        "std_free_energy": -5.697610855102539,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1[n-]c(=O)n(Cc2ccccc2)c(=O)c1[N+](=O)[O-]",
        "std_free_energy": -4.91431999206543,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.47,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]