Database of Zeolite Structures
 
Framework Type VFI
31P MAS NMR spectrum of as-made VPI-5 (hydrated) at 370 K


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)
-31.73
1.000
1.51
0.245
P2
T1
Q4(4Al)
-25.58
2.000
1.60
0.245


References
Spectrum

  Authors: Rocha, J., Kolodziejski, W., He, H., Klinowski, J.
  Title: Solid-State NMR Studies of Hydrated Porous Aluminophosphate VPI-5
  Reference: J. Am. Chem. Soc., 114, 4884-4888 (1992)
  Figure: Figure 3  

Peak Assignment

  Authors: de Onate Martinez, J., McCusker, L.B., Baerlocher, C., Engelhardt, G.
  Title: VPI-5 at 90oC synchrotron powder diffraction study
  Reference: Microporous Mesoporous Mater., 22, 127-134 (1998)
  Method: relative intensities
  Figure: Table 2  

Crystal Structure

  Authors: de Onate Martinez, J., McCusker, L.B., Baerlocher, C., Engelhardt, G.
  Title: VPI-5 at 90oC synchrotron powder diffraction study
  Reference: Microporous Mesoporous Mater., 22, 127-134 (1998)

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 8-12 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]-VFI

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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