[
  {
    "molid": "mol8972",
    "smiles": "ON=CC(Cl)=NO",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "ON=CC(Cl)=NO",
        "std_free_energy": -7.15764856338501,
        "relative_population": 0.999996809013316
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]N=CC(Cl)=NO",
        "std_free_energy": -2.9751393795013428,
        "relative_population": 0.488045408169493
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "[O-]N=C(Cl)C=NO",
        "std_free_energy": -3.0229668617248535,
        "relative_population": 0.5119545918305071
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.24,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 8.2399998,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]