[
  {
    "molid": "mol32421",
    "smiles": "OCC1OC2NC(=S)OC2C1O",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "OC[C@@H]1O[C@H]2NC(=S)O[C@H]2[C@H]1O",
        "std_free_energy": -6.793294906616211,
        "relative_population": 0.9999999934174941
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "OC[C@@H]1O[C@H]2[N-]C(=S)O[C@H]2[C@H]1O",
        "std_free_energy": -0.24332112073898315,
        "relative_population": 0.9978296621886062
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 9.4799995,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]