Database of Zeolite Structures
 
Framework Type ERI
29Si MAS NMR spectrum of dealuminated Erionite


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)
-114.62
1.000
3.08
1.000
Si1
T1
Q4(0Al)
-109.45
2.000
2.83
1.000


References
Spectrum

  Authors: Fyfe, C., Gobbi, G., Kennedy, G., De Schutter, C., Murphy, W., Ozubko, R., Slack, D.
  Title: Chemical shift dispersion due to crystallographic inequivalence and implications regarding the interpretation of the high-resolution 29Si MAS NMR spectra of zeolites
  Reference: Chem. Lett., 13, 163-166 (1984)
  Figure: Figure 1b  

Peak Assignment

  Authors: Fyfe, C., Gobbi, G., Kennedy, G., De Schutter, C., Murphy, W., Ozubko, R., Slack, D.
  Title: Chemical shift dispersion due to crystallographic inequivalence and implications regarding the interpretation of the high-resolution 29Si MAS NMR spectra of zeolites
  Reference: Chem. Lett., 13, 163-166 (1984)
  Method: relative intensities
  Figure: Figure 1b  

Crystal Structure

  Authors: Gard, J.A. and Tait, J.M.
  Title: Refinement of the crystal structure of erionite
  Reference: Proc. 3rd Int. Conf. Molecular Sieves, , pp. 94-99 (1973)

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]-ERI

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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