[
  {
    "molid": "mol12352",
    "smiles": "O=C1COC(=O)C1Cl",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=C1COC(=O)[C@@H]1Cl",
        "std_free_energy": -1.1677448749542236,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "O=C1COC(=O)[C-]1Cl",
        "std_free_energy": -11.375121116638184,
        "relative_population": 0.9926150056858283
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.13,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 2.1300001,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]