t> Beta: NMR spectra
 
Database of Zeolite Structures
 
Intergrowth family Beta
29Si MAS NMR sub-spectrum of dealuminated zeolite Beta polymorph A


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
Si2
T2
Q4(0Al)
-115.96
2.000
0.18
0.797
Si1
T1
Q4(0Al)
-115.56
2.000
0.18
0.797
Si6
T6
Q4(0Al)
-113.20
2.000
0.18
0.797
Si5
T5
Q4(0Al)
-113.03
2.000
0.18
0.797
Si7
T7
Q4(0Al)
-112.84
1.000
0.18
0.797
Si8
T8
Q4(0Al)
-112.26
2.000
0.27
0.797
Si9
T9
Q4(0Al)
-111.74
1.000
0.18
0.797
Si4
T4
Q4(0Al)
-111.50
2.000
0.18
0.797
Si3
T3
Q4(0Al)
-111.35
2.000
0.18
0.797


References
Spectrum

  Authors: Fyfe, C.A., Strobl, H., Kokotailo, G.T., Pasztor, C.T., Barlow, G.E., Bradley, S.
  Title: Correlations between lattice structures of zeolites and their 29Si MAS n.m.r. spectra: zeolites KZ-2, ZSM-12, and Beta
  Reference: Zeolites, 8, 132-136 (1988)
  Figure: Figure 4a  

Peak Assignment

  Authors: Kolyagin, Y.G., Yakimov, A.V., Zasukhin, D.S., Ivanova, I.I.
  Title: Direct Identification of Zeolite Beta Polymorphs by Solid-State 29Si Nuclear Magnetic Resonance Spectroscopy
  Reference: Journal of Physical Chemistry Letters, 13, 10793-10798 (2022)
  Method: 2D correlation NMR
  Figure: Figure 3 and Table 1  

Crystal Structure

  Authors: Newsam, J.M., Treacy, M.M.J., Koetsier, W.T. and de Gruyter, C.B.
  Title: Structural characterization of zeolite beta
  Reference: Proc. R. Soc. Lond. A, 420, 375-405 (1988)

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
 
  CommentPolymorph A sub-spectrum generated by subtracting polymorph B model spectrum from experimental Zeolite Beta spectrum. Chemical shifts fixed to those determined by Kolyagin et al (2022)

Chemical Formula

  [Si - O]

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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