[
  {
    "molid": "mol12998",
    "smiles": "CCCn1ccnc1C=O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCCn1ccnc1C=O",
        "std_free_energy": -5.859862327575684,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CCCn1cc[nH+]c1C=O",
        "std_free_energy": -2.4512975215911865,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 5.15,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 5.1500001,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 5.15000009536743,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      }
    ]
  }
]