[
  {
    "molid": "mol28926",
    "smiles": "CCP(=O)(O)OC(C)C(C)C",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "CC[P@@](=O)(O)O[C@@H](C)C(C)C",
        "std_free_energy": -2.540060043334961,
        "relative_population": 1.0
      },
      {
        "id": "-1_2",
        "charge": -1,
        "smiles": "CC[P@@](=O)([O-])O[C@@H](C)C(C)C",
        "std_free_energy": -10.76510238647461,
        "relative_population": 0.9999999230608883
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 2.38,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "AttenGpKa training set"
      }
    ]
  }
]