[
  {
    "molid": "mol32810",
    "smiles": "CCn1c(O)ccnc1=S",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CCn1c(O)ccnc1=S",
        "std_free_energy": -5.50048828125,
        "relative_population": 0.9998271472148138
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CCn1c([O-])ccnc1=S",
        "std_free_energy": -3.138538360595703,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.6499996,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]