[
  {
    "molid": "mol31547",
    "smiles": "O=C(/C=N/O)c1cccs1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C(/C=N/O)c1cccs1",
        "std_free_energy": -5.769671440124512,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=C(/C=N/[O-])c1cccs1",
        "std_free_energy": -2.4933156967163086,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.45,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]