[
  {
    "molid": "mol31488",
    "smiles": "C/C(N=O)=N\\O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C/C(N=O)=N\\O",
        "std_free_energy": -4.823400020599365,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "C/C(N=O)=[NH+]\\O",
        "std_free_energy": 2.70589017868042,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.81,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]