[
  {
    "molid": "mol9253",
    "smiles": "CCC(S)CN",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC[C@H]([S-])C[NH3+]",
        "std_free_energy": -4.288060188293457,
        "relative_population": 0.7761890532457246
      },
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "CC[C@H](S)CN",
        "std_free_energy": -3.0444657802581787,
        "relative_population": 0.22381094675427535
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "CC[C@H](S)C[NH3+]",
        "std_free_energy": -8.884649276733398,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "CC[C@H]([S-])CN",
        "std_free_energy": 5.238191604614258,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.91,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 8.19,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]