[
  {
    "molid": "mol13197",
    "smiles": "O=c1[nH]ccc2nnnn12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=c1[nH]ccc2nnnn12",
        "std_free_energy": -5.211419582366943,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "O=c1[n-]ccc2nnnn12",
        "std_free_energy": -3.9605648517608643,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 6.95,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 6.9499998,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]