[
  {
    "molid": "mol10131",
    "smiles": "Cc1cnc2c(=S)nc[nH]c2n1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "Cc1cnc2c(=S)nc[nH]c2n1",
        "std_free_energy": -6.472388744354248,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "Cc1cnc2c(=S)nc[n-]c2n1",
        "std_free_energy": -3.3132495880126953,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 7.02,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]