[
  {
    "molid": "mol14903",
    "smiles": "C(COCCc1nnn[nH]1)OCCc1nnn[nH]1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C(COCCc1nnn[nH]1)OCCc1nnn[nH]1",
        "std_free_energy": -3.188748836517334,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C(COCCc1nnn[nH]1)OCCc1nnn[n-]1",
        "std_free_energy": -6.349411964416504,
        "relative_population": 1.0
      },
      {
        "id": "-2_1",
        "charge": -2,
        "smiles": "C(COCCc1nnn[n-]1)OCCc1nnn[n-]1",
        "std_free_energy": -9.93954849243164,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.79,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 4.78999996185303,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
      {
        "pka_value": 5.37,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 5.3699999,
        "charge_state_pre": -1,
        "charge_state_post": -2,
        "data_source": "OCHEM"
      }
    ]
  }
]