DOUBLE-ROTATION AND MAGIC-ANGLE-SPINNING NMR-STUDY OF AN ULTRASTABLE Y-ZEOLITE

Authors
HADDIX GW NARAYANA M GILLESPIE WD GEORGELLIS MB WU Y
Citation
Gw. Haddix et al., DOUBLE-ROTATION AND MAGIC-ANGLE-SPINNING NMR-STUDY OF AN ULTRASTABLE Y-ZEOLITE, Journal of the American Chemical Society, 116(2), 1994, pp. 672-674
Citations number
5
Categorie Soggetti
Chemistry
Journal title
Journal of the American Chemical Society → ACNP
ISSN journal
00027863
Volume
116
Issue
2
Year of publication
1994
Pages
672 - 674
Database
ISI
SICI code
0002-7863(1994)116:2<672:DAMNOA>2.0.ZU;2-6
Abstract
Al-27 double rotation (DOR) NMR is applied to a USY zeolite. It is sho wn clearly that a fraction of the tetrahedral aluminum species present suffers from second-order quadrupolar anisotropy. This is evident sin ce DOR spinning sidebands of a tetrahedral species clearly appear. Thi s shows the utility of the DOR method for studying highly distorted si tes and/or nonframework aluminum sites in zeolites.