The IR transmission windows of hydrogen bonded complexes in zeolites: A new interpretation of IR data of acetonitrile and water adsorption on zeolitic Broensted sites

A.G. Pelmenschikov, R.A. Santen, van, J.H.M.C. Wolput, van, J.J. Janchen

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Abstract

The 2800, 2400 and 1700 cm-1 infrared OH bands recently found upon adsorption of many basic molecules on Bronsted sites of zeolites, including acetonitrile and water, are suggested to be analogous to the (A,B,C) triplet of medium-strong molecular X-OHY complexes in vapours, liquids and solids. IR studies of CD3CN and CCI3CN adsorptions on H-ZSM5, H-FeSil, H/D-ZSM5 and H/D-FeSil zeolites show these bands to be in a good agreement with the resonance theory of the (A,B,C) triplet, developed for molecular H-complexes. A new interpretation of IR data of water adsorption on zeolites, using this theory and results of ab initio calculations, suggests the water complex with the bridging OH group of zeolites to be "neutral", the one water OH group interacting by hydrogen bonds both with the bridging OH group and with the nearest AlOSi oxygen and the other OH group being free.
Original languageEnglish
Title of host publicationZeolites and related microporous materials: state of the art 1994 : proceedings of the 10th International Zeolite Conference, Garmisch-Partenkirchen, Germany, July 17 - 22, 1994
EditorsH.E. Bergna
Place of PublicationAmsterdam
PublisherElsevier
Pages2179-2186
ISBN (Print)0-444-81847-2
DOIs
Publication statusPublished - 1994
Eventconference; IZC: International Zeolite Conference ; 10 (Garmisch-Partenkirchen) : 1994.07.17-22; 1994-07-17; 1994-07-22 -
Duration: 17 Jul 199422 Jul 1994

Publication series

NameStudies in Surface Science and Catalysis
Volume84
ISSN (Print)0167-2991

Conference

Conferenceconference; IZC: International Zeolite Conference ; 10 (Garmisch-Partenkirchen) : 1994.07.17-22; 1994-07-17; 1994-07-22
Period17/07/9422/07/94
OtherIZC: International Zeolite Conference ; 10 (Garmisch-Partenkirchen) : 1994.07.17-22

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    Pelmenschikov, A. G., Santen, van, R. A., Wolput, van, J. H. M. C., & Janchen, J. J. (1994). The IR transmission windows of hydrogen bonded complexes in zeolites: A new interpretation of IR data of acetonitrile and water adsorption on zeolitic Broensted sites. In H. E. Bergna (Ed.), Zeolites and related microporous materials: state of the art 1994 : proceedings of the 10th International Zeolite Conference, Garmisch-Partenkirchen, Germany, July 17 - 22, 1994 (pp. 2179-2186). (Studies in Surface Science and Catalysis; Vol. 84). Elsevier. https://doi.org/10.1016/S0167-2991(08)63781-7