[
  {
    "molid": "mol26072",
    "smiles": "Fc1cc2ncccc2cc1Cl",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Fc1cc2ncccc2cc1Cl",
        "std_free_energy": -6.3380937576293945,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Fc1cc2[nH+]cccc2cc1Cl",
        "std_free_energy": 0.5268740653991699,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.04,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]