[
  {
    "molid": "mol8537",
    "smiles": "CCOC(=O)CN(CC)CC",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCOC(=O)CN(CC)CC",
        "std_free_energy": -4.188926696777344,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CCOC(=O)C[NH+](CC)CC",
        "std_free_energy": -7.080220699310303,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.82,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]