Database of Zeolite Structures
 
Framework Type AWO
31P MAS NMR spectrum of as-made AlPO-21 (with N,N,N',N'-tetramethylethylenediamine 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
T2
Q4(4Al)
-28.76
1.000
2.62
0.608
P2
T3
Q4(4Al)
-23.74
1.000
2.24
0.608
P3
T1
Q4(4Al)
-16.77
1.000
2.82
0.608


References
Spectrum

  Authors: Tuel, A., Jorda, J.L., Gramlich, V., Baerlocher, C.
  Title: Synthesis and characterization of two aluminophosphates templated by N-methyl-1,3-diaminopropane
  Reference: J. Solid State Chem., 178, 782-791 (2005)
  Figure: Figure 5b  

Peak Assignment

  Authors: Tuel, A., Jorda, J.L., Gramlich, V., Baerlocher, C.
  Title: Synthesis and characterization of two aluminophosphates templated by N-methyl-1,3-diaminopropane
  Reference: J. Solid State Chem., 178, 782-791 (2005)
  Method: average bond angles
  Figure: Figure 5b  

Crystal Structure

  Authors: Bennett, J.M., Cohen, J.M., Artioli, G., Pluth, J.J. and Smith, J.V.
  Title: Crystal Structure of AlPO4-21, a Framework Aluminophosphate Containing Tetrahedral Phosphorus and both Tetrahedral and Trigonal-Bipyramidal Aluminum in 3-, 4-, 5-, and 8-rings
  Reference: Inorg. Chem., 24, 188-193 (1985)

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. 162 MHz (Field = 9.4 Tesla)
  Pulse sequence single pulse
  MAS frequency 14 kHz
  Spectrum Digitized and processed by Brouwer Lab, Redeemer University
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with Mathematica notebook
 
  CommentPeak assignments are based on average bond angles determined from a single-crystal XRD structure

Chemical Formula

  [Al - P - O]-AWO

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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