Phosphoric acid, conjugate base

• Formula: H₂O₄P^-
• Molecular weight: 96.9878
• Information on this page:
  • Reaction thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Options:
  • Switch to SI units

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

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)

Ion clustering data

Go To: Top, Reaction thermochemistry data, References, Notes

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

H₂O₄P^- +  = (H₂O₄P^- • )

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

Bond type: Hydrogen bond (negative ion to hydride)

(H₂O₄P^- • ) +  = (H₂O₄P^- • 2)

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

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

Go To: Top, Reaction thermochemistry data, Ion clustering data, Notes

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

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• 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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