[
  {
    "molid": "mol28196",
    "smiles": "Cc1cccc(C)c1S",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cccc(C)c1S",
        "std_free_energy": -4.798127174377441,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1cccc(C)c1[S-]",
        "std_free_energy": -3.356245994567871,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.38,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]