Nitrogen oxide anion

• Formula: NO₂^-
• Molecular weight: 46.0060
• IUPAC Standard InChI: InChI=1S/HNO2/c2-1-3/h(H,2,3)/p-1 Copy

  
• IUPAC Standard InChIKey: IOVCWXUNBOPUCH-UHFFFAOYSA-M Copy
• CAS Registry Number: 14797-65-0
• Chemical structure:
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Ion clustering data
  • Vibrational and/or electronic energy levels
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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 by: John E. Bartmess

Protonation reactions

 +  =

By formula: NO₂^- + H⁺ = HNO₂

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.

Ervin, Ho, et al., 1988
Ervin, K.M.; Ho, J.; Lineberger, W.C., Ultraviolet Photoelectron Spectrum of NO₂^-, J. Phys. Chem., 1988, 92, 19, 5405, https://doi.org/10.1021/j100330a017 . [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

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