Database of Zeolite Structures
 
Framework Type STT
29Si MAS NMR spectrum of calcined pure silica SSZ-23 (prepared in fluoride media)


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)
-118.10
1.000
0.73
1.000
B
Q4(0Al)
-116.92
1.000
1.04
1.000
C
Q4(0Al)
-116.31
1.000
1.04
1.000
D
Q4(0Al)
-115.91
1.000
1.04
1.000
F
Q4(0Al)
-114.60
1.000
0.92
1.000
E
Q4(0Al)
-114.28
1.000
0.92
1.000
G
Q4(0Al)
-113.93
1.000
0.92
1.000
H
Q4(0Al)
-113.38
1.000
0.73
1.000
J
Q4(0Al)
-113.08
1.000
0.73
1.000
I
Q4(0Al)
-113.03
1.000
0.73
1.000
K
Q4(0Al)
-112.15
1.000
0.88
1.000
M
Q4(0Al)
-110.83
1.000
0.93
1.000
L
Q4(0Al)
-110.43
1.000
0.93
1.000
N
Q4(0Al)
-108.98
1.000
0.68
1.000
O
Q4(0Al)
-108.63
1.000
0.68
1.000
P
Q4(0Al)
-106.85
1.000
1.03
1.000


References
Spectrum

  Authors: Camblor, M.A., Díaz-Cabañas, M.J., Cox, P.A., Shannon, I.J., Wright, P.A., Morris, R.E.
  Title: A synthesis, MAS NMR, synchrotron X-ray powder diffraction, and computational study of zeolite SSZ-23
  Reference: Chem. Mater., 11, 2878-2885 (1999)
  Figure: Figure 5b  

Crystal Structure

  Authors: Camblor, M.A., Díaz-Cabañas, M.J., Cox, P.A., Shannon, I.J., Wright, P.A., Morris, R.E.
  Title: A synthesis, MAS NMR, synchrotron X-ray powder diffraction, and computational study of zeolite SSZ-23
  Reference: Chem. Mater., 11, 2878-2885 (1999)

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. 79.459 MHz (Field = 9.4 Tesla)
  Pulse sequence single pulse
  MAS frequency 5.5 kHz
  Spectrum Digitized and processed by Brouwer Lab, Redeemer University
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with Mathematica notebook
 

Chemical Formula

  [Si - O]-STT

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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