[
  {
    "molid": "mol11451",
    "smiles": "CC1=NOC(=O)C1=NNc1cccc(Cl)c1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC1=NOC(=O)C1=NNc1cccc(Cl)c1",
        "std_free_energy": -5.717519760131836,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CC1=NOC(=O)C1=N[N-]c1cccc(Cl)c1",
        "std_free_energy": -4.300983428955078,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.6,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]