[
  {
    "molid": "mol12409",
    "smiles": "Oc1cc[n+](O)cc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "[O-][n+]1ccc(O)cc1",
        "std_free_energy": -4.34122896194458,
        "relative_population": 0.9982423813262047
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Oc1cc[n+](O)cc1",
        "std_free_energy": 5.132030963897705,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.4,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 2.4000001,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 2.405,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]