[
  {
    "molid": "mol10484",
    "smiles": "Cc1c(Br)cc(Br)c(O)c(=O)c1Br",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1c(Br)cc(Br)c(O)c(=O)c1Br",
        "std_free_energy": -2.757453441619873,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1c(Br)cc(Br)c([O-])c(=O)c1Br",
        "std_free_energy": -5.357881546020508,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.17,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]