[
  {
    "molid": "mol5775",
    "smiles": "C[As](C)(=O)O",
    "microspecies": [
      {
        "id": "0_1",
        "charge": 0,
        "smiles": "C[As](C)(=O)O",
        "std_free_energy": -4.6666975021362305,
        "relative_population": 1.0
      },
      {
        "id": "-1_1",
        "charge": -1,
        "smiles": "C[As](C)(=O)[O-]",
        "std_free_energy": -6.62607479095459,
        "relative_population": 1.0
      }
    ],
    "macro_pka_values": [
      {
        "pka_value": 1.57,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 6.2,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "Datawarrior"
      },
      {
        "pka_value": 6.27,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      },
      {
        "pka_value": 1.57000005245209,
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        "charge_state_post": -1,
        "data_source": "QSARToolbox"
      },
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        "pka_value": 6.26999998092651,
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        "pka_value": 6.19000005722046,
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        "pka_value": 6.96000003814697,
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        "pka_value": 7.5,
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        "pka_value": 6.19999980926514,
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        "pka_value": 6.28000020980835,
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        "pka_value": 6.05999994277954,
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        "pka_value": 6.15000009536743,
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        "data_source": "QSARToolbox"
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    ]
  }
]