[
  {
    "molid": "mol8483",
    "smiles": "N#CCCNCCCCCC(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "N#CCC[NH2+]CCCCCC(=O)[O-]",
        "std_free_energy": -9.991748809814453,
        "relative_population": 0.9985527132183772
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "N#CCCNCCCCCC(=O)[O-]",
        "std_free_energy": -5.6771392822265625,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 8.15,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]