[
  {
    "molid": "mol11851",
    "smiles": "Cc1ccc(O)c(-n2nc3ccccc3n2)c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1ccc(O)c(-n2nc3ccccc3n2)c1",
        "std_free_energy": -6.827513694763184,
        "relative_population": 0.9999996186712079
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1ccc([O-])c(-n2nc3ccccc3n2)c1",
        "std_free_energy": -1.7636340856552124,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.97,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]