[
  {
    "molid": "mol32246",
    "smiles": "Oc1n[nH]c2cc(Cl)ccc12",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Oc1n[nH]c2cc(Cl)ccc12",
        "std_free_energy": -6.477073669433594,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "[O-]c1n[nH]c2cc(Cl)ccc12",
        "std_free_energy": 1.4729254245758057,
        "relative_population": 0.914631634298898
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "Oc1n[n-]c2cc(Cl)ccc12",
        "std_free_energy": 3.8444712162017822,
        "relative_population": 0.08536836570110191
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.59,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]