Phosphoric acid, conjugate base

• Formula: H₂O₄P^-
• Molecular weight: 96.9878
• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Ion clustering data
• Options:
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Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Individual Reactions

(H₂O₄P^- • ) +  = (H₂O₄P^- • 2)

By formula: (H₂O₄P^- • H₂O) + H₂O = (H₂O₄P^- • 2H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

H₂O₄P^- +  = (H₂O₄P^- • )

By formula: H₂O₄P^- + H₂O = (H₂O₄P^- • H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

(H₂O₄P^- • 2) +  = (H₂O₄P^- • 3)

By formula: (H₂O₄P^- • 2H₂O) + H₂O = (H₂O₄P^- • 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Blades, Ho, et al., 1996
Blades, A.T.; Ho, Y.; Kebarle, P., Hydration in the Gas Phase of the Orthophosphate Anion, (HO)2PO2-, and the Conversion of the Orthophosphate to teh Metaphosphate, PO3-, Ion, J. Am. Chem. Soc., 1996, 118, 1, 196, https://doi.org/10.1021/ja952169w . [all data]

Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P., Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I, J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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