Database of Zeolite Structures
 
Framework Type IHW
29Si MAS NMR spectrum of calcined pure silica ITQ-32


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)
-116.98
2.000
1.55
1.000
B
Q4(0Al)
-115.63
1.000
1.18
1.000
C
Q4(0Al)
-115.31
2.000
1.18
1.000
D
Q4(0Al)
-115.11
2.000
1.18
1.000
E
Q4(0Al)
-114.69
1.000
1.18
1.000
F
Q4(0Al)
-113.47
2.000
1.12
1.000
G
Q4(0Al)
-111.42
1.000
0.95
1.000
H
Q4(0Al)
-106.28
2.000
0.91
1.000
I
Q4(0Al)
-103.82
1.000
0.72
1.000


References
Spectrum

  Authors: Cantin, A., Corma, A., Leiva, S., Rey, F., Rius, J., Valencia, S.
  Title: Synthesis and structure of the bidimensional zeolite ITQ-32 with small and large pores
  Reference: J. Am. Chem. Soc., 127, 11560-11561 (2005)
  Figure: Figure S4  

Crystal Structure

  Authors: Cantin, A., Corma, A., Leiva, S., Rey, F., Rius, J., Valencia, S.
  Title: Synthesis and structure of the bidimensional zeolite ITQ-32 with small and large pores
  Reference: J. Am. Chem. Soc., 127, 11560-11561 (2005)

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. not given
  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]-IHW

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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