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  Diffuse Reflectance IR Study of Molecular Hydrogen and Deuterium Adsorbed at 77 K on NaA Zeolite Part 2. Overtone, Combination and Vibration-Rotational Modes and Thermodesorption from NaA Zeolite

Kazansky, V. B., Borovkov, V. Y., & Karge, H. G. (1999). Diffuse Reflectance IR Study of Molecular Hydrogen and Deuterium Adsorbed at 77 K on NaA Zeolite Part 2. Overtone, Combination and Vibration-Rotational Modes and Thermodesorption from NaA Zeolite. Zeitschrift für Physikalische Chemie, 211(1), 1-12. doi:10.1524/zpch.1999.211.Part_1.001.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0006-0880-0 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-F606-C
Genre: Journal Article

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10.1524_zpch.1999.211.part_1.001.pdf (Publisher version), 2MB
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10.1524_zpch.1999.211.part_1.001.pdf
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1999
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De Gruyter
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 Creators:
Kazansky, V. B.1, Author
Borovkov, V. Yu.1, Author
Karge, Hellmut G.2, Author           
Affiliations:
1Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, moscow, B-334 Russia, ou_persistent22              
2Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              

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 Abstract: The DRIFT spectra of NaA zeolite loaded with hydrogen or deuterium at 77 were investigated by Fourier transform IR spectroscopy in the ranges of fundamental stretching, combination, overtone of stretching and vibration-rotational modes. Concomitantly in situ thermodesorption (TD) of the probe molecules was carried out in the temperature interval of 77
—
200 K. Combination of DRIFT and TD measurements provided a better resolution of the spectra and facilitated their assignment and interpretation. Thus, the existence of two types of hydrogen or deuterium adsorption could be confirmed, viz. of a more strongly adsorbed form held by sodium cations in the eight-membered windows and a more weakly adsorbed one attached to the sodium cations residing in the sixmembered windows of the structure.

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Language(s): eng - English
 Dates: 1997-12-121998-06-081999-05-301999-01
 Publication Status: Issued
 Pages: 12
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1524/zpch.1999.211.Part_1.001
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Title: Zeitschrift für Physikalische Chemie
  Abbreviation : Zeitschr. Phys. Chem.
Source Genre: Journal
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Publ. Info: Oldenbourg : Walter de Gruyter GmbH
Pages: 12 Volume / Issue: 211 (1) Sequence Number: - Start / End Page: 1 - 12 Identifier: ISSN: 0942-9352
CoNE: https://pure.mpg.de/cone/journals/resource/09429352