[
  {
    "molid": "mol6297",
    "smiles": "ClCCN(CCCl)Cc1ccc2c(c1)CCCC2",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "ClCCN(CCCl)Cc1ccc2c(c1)CCCC2",
        "std_free_energy": -6.008109092712402,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "ClCC[NH+](CCCl)Cc1ccc2c(c1)CCCC2",
        "std_free_energy": -5.144128799438477,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.2,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]