Database of Zeolite Structures
 
Framework Type AST
31P MAS NMR spectrum of as-made AlPO-16 (cubic phase with quinuclidine template)


Note: Toggle plots by clicking on the legend

Peak
T site
Q-type
Chemical Shift
Relative
Peak Width
Peak Shape
Assigment
(topological)
(ppm)
Peak Area
(ppm)
(x)L (1-x)G
P1
T1
Q4(4Al)
-29.03
4.000
7.37
1.000
P2
T2
Q4(4Al)
-18.35
1.000
5.19
1.000


References
Spectrum

  Authors: Schott-Darie, C., Patarin, J., Goff, P.L.
  Title: Synthesis, characterization and Rietveld refinement of the tetragonal variant of AlPO4-16 prepared in fluoride medium
  Reference: Microporous Mater., 6513, 123-132 (1994)
  Figure: Figure 7a  

Peak Assignment

  Authors: Schott-Darie, C., Patarin, J., Goff, P.L.
  Title: Synthesis, characterization and Rietveld refinement of the tetragonal variant of AlPO4-16 prepared in fluoride medium
  Reference: Microporous Mater., 6513, 123-132 (1994)
  Method: relative intensities
  Figure: Figure 7a  

Crystal Structure

  Authors: Bennett, J.M. and Kirchner, R.M.
  Title: The Structure of As-synthesized AlPO4-16 Determined by a New Framework Modeling Method and Rietveld Refinement of Synchrotron Powder Diffraction Data
  Reference: Zeolites, 11, 502-506 (1991)

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)
Spectrum information

  Obs. freq. 121.51 MHz (Field = 7 Tesla)
  Pulse sequence single pulse
  MAS frequency 8 kHz
  Spectrum Digitized and processed by Brouwer Lab, Redeemer University
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with Mathematica notebook
 
  CommentPeak assignments based on relative peak areas

Chemical Formula

  [Al - P - O]-AST

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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