Database of Zeolite Structures
 
Framework Type LTA
31P MAS NMR spectrum of as-made AlPO-LTA (with fluoride and Kryptofix222 plus tetramethylammonium templates)


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)
-25.81
1.00
3.08
0.118
P2
T1
Q4(4Al)
-18.07
1.00
2.64
0.118



References
Spectrum

  Authors: Schreyeck, L., Stumbe, J., Caullet, P., Mougenel, J.C., Marler, B.
  Title: The diaza-polyoxa-macrocycle 'Kryptofix222' as a new template for the synthesis of LTA-type AlPO4: Co-templating role of F- and/or (CH3)4N+ ions
  Reference: Microporous Mesoporous Mater., 22, 87-106 (1998)
  Figure: Figure 10a  

Peak Assignment

  Authors: Schreyeck, L., Stumbe, J., Caullet, P., Mougenel, J.C., Marler, B.
  Title: The diaza-polyoxa-macrocycle 'Kryptofix222' as a new template for the synthesis of LTA-type AlPO4: Co-templating role of F- and/or (CH3)4N+ ions
  Reference: Microporous Mesoporous Mater., 22, 87-106 (1998)
  Method: 19F/31P cross polarization
  Figure: Figure 10b  

Crystal Structure

  Authors: Schreyeck, L., Stumbe, J., Caullet, P., Mougenel, J.C., Marler, B.
  Title: The diaza-polyoxa-macrocycle 'Kryptofix222' as a new template for the synthesis of LTA-type AlPO4: Co-templating role of F- and/or (CH3)4N+ ions
  Reference: Microporous Mesoporous Mater., 22, 87-106 (1998)
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 are based on the relative peak areas observed in a 19F/31P cross polarization experiment and the relative 19F/31P dipolar coupling constants calculated from the crystal structure

Chemical Formula

  [Al - P - O]-LTA

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)