[
  {
    "molid": "mol222",
    "smiles": "CC(=O)N1CCNCC1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC(=O)N1CCNCC1",
        "std_free_energy": -4.2102251052856445,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CC(=O)N1CC[NH2+]CC1",
        "std_free_energy": -7.657110691070557,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.94,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 7.9,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 7.9400001,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 7.94000005722046,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]