[
  {
    "molid": "mol9011",
    "smiles": "N#CCC([N+](=O)[O-])[N+](=O)[O-]",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "N#CCC([N+](=O)[O-])[N+](=O)[O-]",
        "std_free_energy": -1.6526843309402466,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "N#CC[C-]([N+](=O)[O-])[N+](=O)[O-]",
        "std_free_energy": -7.892338752746582,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.27,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      },
      {
        "pka_value": 2.34,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "IUPAC digitized pKa"
      }
    ]
  }
]