[
  {
    "molid": "mol5575",
    "smiles": "NC(=O)c1cccc(Br)c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "NC(=O)c1cccc(Br)c1",
        "std_free_energy": -7.028696060180664,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "NC(=[OH+])c1cccc(Br)c1",
        "std_free_energy": 10.657411575317383,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": -2.65,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]