[
  {
    "molid": "mol32041",
    "smiles": "O=P(O)(O)NP(=O)(O)O",
    "microspecies": [
      {
        "id": "-5_1",
        "charge": -5,
        "smiles": "O=P([O-])([O-])[N-]P(=O)([O-])[O-]",
        "std_free_energy": -9.841310501098633,
        "relative_population": 1.0
      },
      {
        "id": "-4_1",
        "charge": -4,
        "smiles": "O=P([O-])([O-])NP(=O)([O-])[O-]",
        "std_free_energy": -15.205925941467285,
        "relative_population": 0.46901814820793203
      },
      {
        "id": "-4_2",
        "charge": -4,
        "smiles": "O=P([O-])([O-])[N-]P(=O)([O-])O",
        "std_free_energy": -15.330012321472168,
        "relative_population": 0.5309818517920679
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 10.4,
        "charge_state_pre": -4,
        "charge_state_post": -5,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 10.3,
        "charge_state_pre": -4,
        "charge_state_post": -5,
        "data_source": "OCHEM"
      }
    ]
  }
]