[
  {
    "molid": "mol25160",
    "smiles": "Oc1ccc[n+](O)c1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "[O-][n+]1cccc(O)c1",
        "std_free_energy": -4.893579006195068,
        "relative_population": 0.999836274949108
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Oc1ccc[n+](O)c1",
        "std_free_energy": 6.539285659790039,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 0.875,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]