[
  {
    "molid": "mol33204",
    "smiles": "N=C(N)c1ccc(C(=O)O)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "NC(=[NH2+])c1ccc(C(=O)[O-])cc1",
        "std_free_energy": -12.412093162536621,
        "relative_population": 0.9999951986001402
      },
      {
        "id": "-1_3",
        "charge": -1,
        "smiles": "N=C(N)c1ccc(C(=O)[O-])cc1",
        "std_free_energy": -3.667011260986328,
        "relative_population": 0.9999373670114253
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.9,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]