HY{center_dot}{center_dot}{center_dot}N{sub 2} and HXeY{center_dot}{center_dot}{center_dot}N{sub 2} complexes in solid xenon (Y=Cl and Br): Unexpected suppression of the complex formation for deposition at higher temperature

Journal Article · Sat Aug 28 04:00:00 EDT 2010 · Journal of Chemical Physics

DOI:https://doi.org/10.1063/1.3472976· OSTI ID:21559907

Khriachtchev, Leonid; Tapio, Salla; Raesaenen, Markku; Domanskaya, Alexandra; Lignell, Antti ^[1]

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1. Department of Chemistry, University of Helsinki, P.O. Box 55, FIN-00014 Helsinki (Finland)

The 1:1 complexes of HY and HXeY (Y=Cl and Br) with nitrogen are characterized by FTIR spectroscopy in a Xe matrix. These complexes show small blue shifts of the HY and H-Xe stretching frequencies with respect to the monomers (ca. +10 cm{sup -1}). In the HXeY{center_dot}{center_dot}{center_dot}N{sub 2} synthesis procedure, a HY/N{sub 2}/Xe matrix with HY{center_dot}{center_dot}{center_dot}N{sub 2} complexes is first photolyzed at 193 nm to yield isolated H and Y{center_dot}{center_dot}{center_dot}N{sub 2} fragments. At the second step, annealing at ca. 40 K activates mobility of H atoms and promotes the H+Xe+Y{center_dot}{center_dot}{center_dot}N{sub 2} reaction. It is quite remarkable that the HY{center_dot}{center_dot}{center_dot}N{sub 2} and consequently HXeY{center_dot}{center_dot}{center_dot}N{sub 2} complexes are observed in Xe matrices deposited at relatively low temperature (below ca. 35 K). For Xe matrices deposited above ca. 40 K, HY molecules do not form a complex with nitrogen and the HXeY{center_dot}{center_dot}{center_dot}N{sub 2} complex does not appear after photolysis and annealing; however, this observation is not explained in this article.

• OSTI ID: 21559907
• Journal Information: Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 8 Vol. 133; ISSN JCPSA6; ISSN 0021-9606
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
74 ATOMIC AND MOLECULAR PHYSICS
ALKALINE EARTH ISOTOPES
ANNEALING
CALCIUM 40
CALCIUM ISOTOPES
CHEMICAL REACTIONS
COMPLEXES
DECOMPOSITION
DEPOSITION
ELEMENTS
EVEN-EVEN NUCLEI
FLUIDS
FOURIER TRANSFORMATION
GASES
HEAT TREATMENTS
HYDROGEN COMPOUNDS
INFRARED SPECTRA
INHIBITION
INTEGRAL TRANSFORMATIONS
ISOTOPES
LIGHT NUCLEI
MATRIX ISOLATION
MOBILITY
NITROGEN
NONMETALS
NUCLEI
PERTURBATION THEORY
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
RARE GAS COMPOUNDS
RARE GASES
SOLIDS
SPECTRA
SPECTRAL SHIFT
SPECTROSCOPY
STABLE ISOTOPES
SYNTHESIS
TEMPERATURE RANGE
TEMPERATURE RANGE 0065-0273 K
TRANSFORMATIONS
XENON
XENON COMPOUNDS