[
  {
    "molid": "mol840",
    "smiles": "Oc1ccc(/N=N/c2ccccn2)c2ccccc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Oc1ccc(/N=N/c2ccccn2)c2ccccc12",
        "std_free_energy": -5.49737024307251,
        "relative_population": 0.9935348973332073
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]c1ccc(/N=N/c2ccccn2)c2ccccc12",
        "std_free_energy": -3.454245090484619,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.1,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Hunt"
      }
    ]
  }
]