[
  {
    "molid": "mol31511",
    "smiles": "CO/N=C(C)/C(C)=N/O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CO/N=C(C)/C(C)=N/O",
        "std_free_energy": -7.447871208190918,
        "relative_population": 0.9999987788862946
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CO/N=C(C)/C(C)=N/[O-]",
        "std_free_energy": 1.770038366317749,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 12.92,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]