Hypoiodous acid

• Formula: HIO
• Molecular weight: 143.9118
• IUPAC Standard InChI: InChI=1S/HIO/c1-2/h2H Copy

  
• IUPAC Standard InChIKey: GEOVEUCEIQCBKH-UHFFFAOYSA-N Copy
• CAS Registry Number: 14332-21-9
• Chemical structure:
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
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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: John E. Bartmess

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

IO^- +  =

By formula: IO^- + H⁺ = HIO

Gas phase ion energetics 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 as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman

Ionization energy determinations

De-protonation reactions

IO^- +  =

By formula: IO^- + H⁺ = HIO

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.

Gilles, Polak, et al., 1991
Gilles, M.K.; Polak, M.L.; Lineberger, W.C., Photoelectron Spectroscopy of IO-, J. Chem. Phys., 1991, 95, 6, 4723, https://doi.org/10.1063/1.461746 . [all data]

Monks, Stief, et al., 1995
Monks, P.S.; Stief, L.J.; Tardy, D.C.; Liebman, J.F.; Zhang, Z.; Kuo, S.-C.; Klemm, R.B., Discharge flow-photoionization mass spectrometric study of HOI: Photoionization efficiency spectrum and ionization energy, J. Phys. Chem., 1995, 99, 16566. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

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

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