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Title: Crystallographic Site Discrimination in Aluminophosphate Molecular-Sieves by Solid-State NMR - Influence of the Field-Dependent Isotropic 2nd-Order Quadrupolar Shift on High-Resolution Al-27 DOR NMR
Authors: Grobet, Pierre ×
Samoson, A
Geerts, H
Martens, Johan
Jacobs, Pierre #
Issue Date: 1991
Publisher: AMER CHEMICAL SOC
Series Title: Journal of physical chemistry vol:95 issue:24 pages:9620-9622
Conference: date:BRUKER ANALYT MESSTECH GMBH,RHEINSTETTEN 4,GERMANY; TALLINN CHEM PHYS & BIOPHYS INST,TALLINN,ESTONIA,USSR
Abstract: The application of double-rotation (DOR) NMR in relatively low magnetic fields proves to be particularly advantageous to enhance the dispersion of the isotropic second-order shifts of quadrupolar nuclei located in different crystallographic sites. As an illustrative example, the low-field high-resolution Al-27 DOR NMR spectrum of the very large pore aluminophosphate VPI-5 is shown; the data fully support the recently reported crystal structure refinement and demonstrate the importance of the isotropic second-order quadrupolar shift for crystallographic site discrimination.
ISSN: 0022-3654
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Surface Chemistry and Catalysis
× corresponding author
# (joint) last author

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