[
  {
    "molid": "mol28924",
    "smiles": "CP(=O)(O)OC1CCCCC1",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[P@@](=O)(O)OC1CCCCC1",
        "std_free_energy": -2.3460025787353516,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "C[P@@](=O)([O-])OC1CCCCC1",
        "std_free_energy": -10.96073055267334,
        "relative_population": 0.9999999329035202
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.2,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]