[
  {
    "molid": "mol1221",
    "smiles": "CCNc1cccc2ccccc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCNc1cccc2ccccc12",
        "std_free_energy": -6.032763957977295,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CC[NH2+]c1cccc2ccccc12",
        "std_free_energy": -0.3409351706504822,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.19,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 4.1900001,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 4.19000005722046,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 4.24,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]