Database of Zeolite Structures
 
Framework Type ITW
29Si MAS NMR spectrum of as-synthesized pure silica ITQ-12 with 1,2,3-trimethylimazolium


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)
-115.48
1.000
0.55
1.000
B
Q4(0Al)
-110.22
1.000
0.62
1.000
C
Q4(0Al)
-108.30
1.000
0.40
1.000
D
Q4(0Al)
-107.60
1.000
0.43
1.000
E
Q4(0Al)
-107.44
1.000
0.43
1.000
F
Q4(0Al)
-106.49
1.000
0.53
1.000


References
Spectrum

  Authors: Rojas, A., Martinez-Morales, E., Zicovich-Wilson, C.M., Camblor, M.A.
  Title: Zeolite synthesis in fluoride media: Structure direction toward ITW by small methylimidazolium cations
  Reference: J. Am. Chem. Soc., 134, 2255-2263 (2012)
  Figure: Figure 3  

Crystal Structure

  Authors: Rojas, A., Martinez-Morales, E., Zicovich-Wilson, C.M., Camblor, M.A.
  Title: Zeolite synthesis in fluoride media: Structure direction toward ITW by small methylimidazolium cations
  Reference: J. Am. Chem. Soc., 134, 2255-2263 (2012)

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]-ITW

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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