Database of Zeolite Structures
 
Framework Type MAZ
29Si MAS NMR spectrum of dealuminated Zeolite Omega


Note: Toggle plots by clicking on the legend

Peak
T site
Q-type
Chemical Shift
Relative
Peak Width
Peak Shape
Assigment
(topological)
(ppm)
Peak Area
(ppm)
(x)L (1-x)G
Si1
T1
Q4(0Al)
-114.05
1.000
2.66
1.000
Si2
T2
Q4(0Al)
-105.44
2.000
3.06
1.000


References
Spectrum

  Authors: Klinowski, J., Anderson, M.W.
  Title: A High-resolution Solid-state Nuclear-magnetic-resonance Study of the Ordering of Silicon and Aluminum In Synthetic Mazzite (zeolite Omega)
  Reference: J. Chem. Soc., Faraday Trans., 82, 569-584 (1986)
  Figure: Figure 2c  

Peak Assignment

  Authors: Klinowski, J., Anderson, M.W.
  Title: A High-resolution Solid-state Nuclear-magnetic-resonance Study of the Ordering of Silicon and Aluminum In Synthetic Mazzite (zeolite Omega)
  Reference: J. Chem. Soc., Faraday Trans., 82, 569-584 (1986)
  Method: relative peak intensities
  Figure: Figure 2c  

Crystal Structure

  Authors: Galli, E.
  Title: Crystal structure refinement of mazzite
  Reference: Rend. Soc. Ital. Mineral. Petrol., 31, 599-612 (1975)

Digitization and Modeling of Spectrum

  To reference this collection of solid-state NMR spectra, we suggest:
  Authors: Brouwer, D.H., Brouwer, C.C., Mesa, S., Semelhago, C.A., Steckley, E.E., Sun, M.P.Y., Mikolajewski, J.G., and Baerlocher, Ch.
  Title: Solid-state 29Si NMR spectra of pure silica zeolites for the International Zeolite Association Database of Zeolite Structures
  Reference: Microporous Mesoporous Mat., 297, 110000 (2020)
Spectrum information

  Obs. freq. 79.8 MHz (Field = 9.4 Tesla)
  Pulse sequence single pulse
  MAS frequency 3.5 kHz
  Spectrum Digitized and processed by Brouwer Lab, Redeemer University
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with Mathematica notebook
 

Chemical Formula

  [Si - O]-MAZ

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)

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