Database of Zeolite Structures
 
Framework Type CFI
29Si MAS NMR spectrum of calcined pure silica CIT-5


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)
-115.39
1.000
0.81
0.597
B
Q4(0Al)
-113.70
2.000
1.03
0.597
C
Q4(0Al)
-113.43
2.000
1.04
0.597
D
Q4(0Al)
-108.65
2.000
1.01
0.597
E
Q4(0Al)
-108.33
1.000
1.09
0.597



References
Spectrum

  Authors: Barrett, P.A., Díaz-Cabañas, M.J., Camblor, M.A., Jones, R.H.
  Title: Synthesis in fluoride and hydroxide media and structure of the extra-large pore pure silica zeolite CIT-5
  Reference: J. Chem. Soc., Faraday Trans., 94, 2475-2481 (1998)
DOI: 10.1039/a803263g
  Figure: Figure 3b  

Crystal Structure

  Authors: Barrett, P.A., Díaz-Cabañas, M.J., Camblor, M.A., Jones, R.H.
  Title: Synthesis in fluoride and hydroxide media and structure of the extra-large pore pure silica zeolite CIT-5
  Reference: J. Chem. Soc., Faraday Trans., 94, 2475-2481 (1998)
DOI: 10.1039/a803263g

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)
DOI: 10.1016/j.micromeso.2020.110000
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]-CFI

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)