[
  {
    "molid": "mol25542",
    "smiles": "Cn1cc[n+](CCCCCCCC(=O)O)c1",
    "microspecies": [
      {
        "id": "0_2",
        "charge": 0,
        "smiles": "Cn1cc[n+](CCCCCCCC(=O)[O-])c1",
        "std_free_energy": -9.362363815307617,
        "relative_population": 0.9999899885891272
      },
      {
        "id": "1_1",
        "charge": 1,
        "smiles": "Cn1cc[n+](CCCCCCCC(=O)O)c1",
        "std_free_energy": -4.540657043457031,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 4.47,
        "charge_state_pre": 1,
        "charge_state_post": 0,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]