About: Coordination of extraframework Li+ cation in the MCM-22 and MCM-36 zeolite: FTIR study of CO adsorbed

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About: Coordination of extraframework Li+ cation in the MCM-22 and MCM-36 zeolite: FTIR study of CO adsorbed Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://link.springer.com/article/10.1007%2Fs10450-012-9467-2
Description	Nature and population of Li+ cationic sites in MCM-22 zeolite and its pillared form (MCM-36) were investigated by means of adsorption of CO as a probe molecule. CO stretching frequency and adsorption heat were measured by FTIR spectroscopy and adsorption microcalorimetry. Intrazeolitic carbonyl complexes on Li+ cations in MCM-22 and MCM-36 are characterized by two main vibrational bands at 2,195 and 2,188 cm(-1). Band at higher wavenumbers is ascribed to carbonyls on Li+ ions coordinated only to two oxygen atoms at the intersection of 10-ring channels and interacting with CO molecule by energy around 45 kJ mol(-1). Band at 2,188 cm(-1) was assigned to the carbonyls on Li+ cations located on top of 5 or 6-rings on the channel walls and coordinated to three or four oxygen atoms, interacting with CO molecule by energy 33-36 kJ mol(-1). Effect of pillaring and layered form of zeolite on nature and population of Li+ cationic sites is also discussed, as well as the formation of dicarbonyl complexes. Nature and population of Li+ cationic sites in MCM-22 zeolite and its pillared form (MCM-36) were investigated by means of adsorption of CO as a probe molecule. CO stretching frequency and adsorption heat were measured by FTIR spectroscopy and adsorption microcalorimetry. Intrazeolitic carbonyl complexes on Li+ cations in MCM-22 and MCM-36 are characterized by two main vibrational bands at 2,195 and 2,188 cm(-1). Band at higher wavenumbers is ascribed to carbonyls on Li+ ions coordinated only to two oxygen atoms at the intersection of 10-ring channels and interacting with CO molecule by energy around 45 kJ mol(-1). Band at 2,188 cm(-1) was assigned to the carbonyls on Li+ cations located on top of 5 or 6-rings on the channel walls and coordinated to three or four oxygen atoms, interacting with CO molecule by energy 33-36 kJ mol(-1). Effect of pillaring and layered form of zeolite on nature and population of Li+ cationic sites is also discussed, as well as the formation of dicarbonyl complexes. (en)
Title	Coordination of extraframework Li+ cation in the MCM-22 and MCM-36 zeolite: FTIR study of CO adsorbed Coordination of extraframework Li+ cation in the MCM-22 and MCM-36 zeolite: FTIR study of CO adsorbed (en)
skos:prefLabel	Coordination of extraframework Li+ cation in the MCM-22 and MCM-36 zeolite: FTIR study of CO adsorbed Coordination of extraframework Li+ cation in the MCM-22 and MCM-36 zeolite: FTIR study of CO adsorbed (en)
skos:notation	RIV/00216275:25310/13:39896338!RIV14-GA0-25310___
http://linked.open...avai/predkladatel	Fakulta chemicko-technologická
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GBP106/12/G015)
http://linked.open...iv/cisloPeriodika	2-4
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Bulánek, Roman Kolářová, Monika
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	67059
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/13:39896338
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	MCM-36; MCM-22; adsorption microcalorimetry; CO; FTIR (en)
http://linked.open.../riv/klicoveSlovo	adsorption microcalorimetry CO FTIR MCM-36 MCM-22
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[68D521B644DE]
http://linked.open...i/riv/nazevZdroje	Adsorption - Journal of the International Adsorption Society
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Intelligent design of nanoporous adsorbents and catalysts
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	19
http://linked.open...iv/tvurceVysledku	Bulánek, Roman Čejka, Jiří Chlubná, Pavla Kolářová, Monika
http://linked.open...ain/vavai/riv/wos	000317620800027
issn	0929-5607
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s10450-012-9467-2
http://localhost/t...ganizacniJednotka	25310

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