[
  {
    "molid": "mol6541",
    "smiles": "O=S(=O)(Cc1ccncc1)c1ccccc1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "O=S(=O)(Cc1ccncc1)c1ccccc1",
        "std_free_energy": -6.004859447479248,
        "relative_population": 1.0
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "O=S(=O)(Cc1cc[nH+]cc1)c1ccccc1",
        "std_free_energy": -0.1419605314731598,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 3.75,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "OCHEM"
      }
    ]
  }
]