[
  {
    "molid": "mol31053",
    "smiles": "CCOC(=O)c1ccccc1-c1c2cc(Br)c(=O)c(Br)c-2oc2c(Br)c(O)c(Br)cc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCOC(=O)c1ccccc1-c1c2cc(Br)c(=O)c(Br)c-2oc2c(Br)c(O)c(Br)cc12",
        "std_free_energy": -1.6623095273971558,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CCOC(=O)c1ccccc1-c1c2cc(Br)c(=O)c(Br)c-2oc2c(Br)c([O-])c(Br)cc12",
        "std_free_energy": -6.046133041381836,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.9,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]