Database of Zeolite Structures
 

Warning: Trying to access array offset on value of type null in /var/www/IZA-SC/nmr_spectra.php on line 190
Framework Type FAU
29Si MAS NMR spectrum of commercial zeolite Na,H-USY (Grace) with Si/Al = 2.83 (chemical analysis)


Note: Toggle plots by clicking on the legend

Peak
Q-type
Chemical Shift
Relative
Peak Width
Peak Shape
Label
(ppm)
Peak Area
(ppm)
(x)L (1-x)G
A
Q4(0Al)
-107.20
21.400
3.21
0.000
B
Q4(1Al)
-101.70
58.000
4.61
0.500
C
Q4(2Al)
-96.00
20.700
6.42
0.000


References
Spectrum

  Authors: Schroeder, C., Hansen, M.R., Koller, H.
  Title: Ultrastabilization of Zeolite Y Transforms Brønsted-Brønsted Acid Pairs into Brønsted-Lewis Acid Pairs
  Reference: Angew. Chem. Int. Ed., 57, 14281-14285 (2018)
  Figure: Figure S7  
Spectrum information

  Obs. freq. 39.77 MHz (Field = 4.7 Tesla)
  Pulse sequence single pulse
  MAS frequency 4 kHz
  Spectrum processed by H. Koller, University of Münster
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with dmfit: D. Massiot et al., Magn. Reson. Chem., 40, 70-76 (2002)
 
  Si/Al ratio4.0 (derived from the simulation above)

Chemical Formula

  |Na16.9(H2O)x| [Al38.4Si153.6O384]-FAU

Downloads

  Download digitized spectrum in JCAMP-DX format
(This file includes also the data listed on this page)
  Download all lines from the above plot in .csv format
(This file contains only the plotted data)

Copyright © 2017 Structure Commission of the International Zeolite Association (IZA-SC)