Database of Zeolite Structures
 
Framework Type MOR
29Si MAS NMR spectrum of dealuminated Mordenite


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
Si4
T4
Q4(0Al)
-115.10
1.000
0.58
1.000
Si2
T2
Q4(0Al)
-114.87
2.000
0.62
1.000
Si3
T3
Q4(0Al)
-113.20
1.000
0.48
1.000
Si1
T1
Q4(0Al)
-112.20
2.000
0.55
1.000


References
Spectrum

  Authors: Fyfe, C.A., Gobbi, G.C., Murphy, W.J., Ozubko, R.S., Slack, D.A.
  Title: Investigation of The Factors Affecting The 29Si MAS NMR Linewidths of Zeolites
  Reference: Chem. Lett., , 1547-1550 (1983)
  Figure: Figure 1B  

Peak Assignment

  Authors: Kolodziejski, W., Barrie, P.J., He, H., Klinowski, J.
  Title: Two-dimensional J-scaled 29Si NMR COSY of highly siliceous mordenite
  Reference: J. Chem. Soc., Chem. Commun., , 961-962 (1991)
  Method: 2D correlation NMR, relative peak intensities
  Figure: Figure 2b  

Crystal Structure

  Authors: Meier, W.M.
  Title: The crystal structure of mordenite (ptilolite)
  Reference: Z. Kristallogr., 115, 439-450 (1961)

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. 79.5 MHz (Field = 9.4 Tesla)
  Pulse sequence single pulse
  Spectrum Digitized and processed by Brouwer Lab, Redeemer University
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with Mathematica notebook
 

Chemical Formula

  [Si - O]-MOR

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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