[
  {
    "molid": "mol18736",
    "smiles": "CCCC12CCC(=O)C=C1c1c(cc(O)c(Cl)c1Cl)C2",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCC[C@@]12CCC(=O)C=C1c1c(cc(O)c(Cl)c1Cl)C2",
        "std_free_energy": -4.298028945922852,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CCC[C@@]12CCC(=O)C=C1c1c(cc([O-])c(Cl)c1Cl)C2",
        "std_free_energy": -3.3667542934417725,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.18,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Baltruschat ChEMBL"
      }
    ]
  }
]