[
  {
    "molid": "mol6323",
    "smiles": "COc1c(N)ccccc1=O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "COc1c(N)ccccc1=O",
        "std_free_energy": -6.467379570007324,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "COc1c([NH3+])ccccc1=O",
        "std_free_energy": 2.631268262863159,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.89,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]