Potential role of the nitroacidium ion on HONO emissions from the snowpack

Stig Hellebust; Tristan Roddis; John R. Sodeau

doi:10.1021/jp068264g

Potential role of the nitroacidium ion on HONO emissions from the snowpack

Stig Hellebust
, Tristan Roddis
, John R. Sodeau

School of Chemistry

University College Cork

Research output: Contribution to journal › Article › peer-review

Abstract

The effects of photolysis on frozen, thin films of water-ice containing nitrogen dioxide (as its dimer dinitrogen tetroxide) have been investigated using a combination of Fourier transform reflection - absorption infrared (FT-RAIR) spectroscopy and mass spectrometry. The release of HONO is ascribed to a mechanism in which nitrosonium nitrate (NO⁺NO₃ ^-) is formed. Subsequent solvation of the cation leads to the nitroacidium ion, H₂ONO⁺, i.e., protonated nitrous acid. The pathway proposed explains why the field measurement of HONO at different polar sites is often contradictory.

Original language	English
Pages (from-to)	1167-1171
Number of pages	5
Journal	Journal of Physical Chemistry A
Volume	111
Issue number	7
DOIs	https://doi.org/10.1021/jp068264g
Publication status	Published - 22 Feb 2007

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abstract = "The effects of photolysis on frozen, thin films of water-ice containing nitrogen dioxide (as its dimer dinitrogen tetroxide) have been investigated using a combination of Fourier transform reflection - absorption infrared (FT-RAIR) spectroscopy and mass spectrometry. The release of HONO is ascribed to a mechanism in which nitrosonium nitrate (NO+NO3 -) is formed. Subsequent solvation of the cation leads to the nitroacidium ion, H2ONO+, i.e., protonated nitrous acid. The pathway proposed explains why the field measurement of HONO at different polar sites is often contradictory.",

author = "Stig Hellebust and Tristan Roddis and Sodeau, \{John R.\}",

year = "2007",

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AU - Roddis, Tristan

AU - Sodeau, John R.

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N2 - The effects of photolysis on frozen, thin films of water-ice containing nitrogen dioxide (as its dimer dinitrogen tetroxide) have been investigated using a combination of Fourier transform reflection - absorption infrared (FT-RAIR) spectroscopy and mass spectrometry. The release of HONO is ascribed to a mechanism in which nitrosonium nitrate (NO+NO3 -) is formed. Subsequent solvation of the cation leads to the nitroacidium ion, H2ONO+, i.e., protonated nitrous acid. The pathway proposed explains why the field measurement of HONO at different polar sites is often contradictory.

AB - The effects of photolysis on frozen, thin films of water-ice containing nitrogen dioxide (as its dimer dinitrogen tetroxide) have been investigated using a combination of Fourier transform reflection - absorption infrared (FT-RAIR) spectroscopy and mass spectrometry. The release of HONO is ascribed to a mechanism in which nitrosonium nitrate (NO+NO3 -) is formed. Subsequent solvation of the cation leads to the nitroacidium ion, H2ONO+, i.e., protonated nitrous acid. The pathway proposed explains why the field measurement of HONO at different polar sites is often contradictory.

UR - https://www.scopus.com/pages/publications/33847713726

U2 - 10.1021/jp068264g

DO - 10.1021/jp068264g

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SN - 1089-5639

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SP - 1167

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JO - Journal of Physical Chemistry A

JF - Journal of Physical Chemistry A

IS - 7

ER -

Potential role of the nitroacidium ion on HONO emissions from the snowpack

Abstract

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