Database of Zeolite Structures
 
Framework Type AET
31P MAS NMR spectrum of dehydrated AlPO-8 (formed by heating VPI-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(4Al)
-30.49
2.000
4.62
0.490
B
Q4(4Al)
-30.29
2.000
4.62
0.490
C
Q4(4Al)
-30.09
1.000
4.62
0.490
D
Q4(4Al)
-29.34
2.000
4.62
0.490
E
Q4(4Al)
-27.45
2.000
4.62
0.490



References
Spectrum

  Authors: Stocker, M., Akporiaye, D., Lillerud, K.P.
  Title: Solid-state NMR investigations of AlPO4-8. Its transformation from VPI-5 and interaction with water
  Reference: Applied Catalysis, 69, L7-L13 (1991)
DOI: 10.1016/S0166-9834(00)83285-6
  Figure: Figure 1d  

Crystal Structure

  Authors: Poojary, M.D., Clearfield, A.
  Title: Crystal structure of 14-ring aluminophosphate AlPO4-8 from powder data
  Reference: Mater. Chem. Phys., 35, 301-304 (1993)
DOI: 10.1016/0254-0584(93)90146-D

Digitization and Modeling of Spectrum

  To reference this collection of solid-state NMR spectra, we suggest:
  Authors: Brouwer, D.H. and White, A.L.
  Title: A comprehensive collection of solid-state 31P NMR spectra of aluminophosphate zeolites.
  Reference: Microporous Mesoporous Mat., 337, 111934 (2022)
DOI: 10.1016/j.micromeso.2022.111934
Spectrum information

  Obs. freq. 121.421 MHz (Field = 7 Tesla)
  Pulse sequence single pulse
  MAS frequency 5 kHz
  Spectrum Digitized and processed by Brouwer Lab, Redeemer University
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with Mathematica notebook
 
  CommentPeak assignments are not available

Chemical Formula

  [Al - P - O]-AET

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)