[
  {
    "molid": "mol2718",
    "smiles": "Cc1cc(C)c(C2C(=O)CC3(CCOCC3)CC2=O)c(C)c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cc(C)c(C2C(=O)CC3(CCOCC3)CC2=O)c(C)c1",
        "std_free_energy": -3.574012517929077,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "Cc1cc(C)c([C-]2C(=O)CC3(CCOCC3)CC2=O)c(C)c1",
        "std_free_energy": -2.2537224292755127,
        "relative_population": 0.999607870466984
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.06,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Caine"
      }
    ]
  }
]