Database of Zeolite Structures
 
Framework Type EZT
31P MAS NMR spectrum of calcined EMM-3


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
P7/P8/P9
T3/T4/T2
Q4(4Al)
-30.53
1.000
1.20
0.545
P7/P8/P9
T3/T4/T2
Q4(4Al)
-30.08
1.000
1.20
0.545
P7/P8/P9
T3/T4/T2
Q4(4Al)
-29.49
1.000
1.20
0.545
P6
T1
Q4(4Al)
-26.32
2.000
1.67
0.545
P10
T5
Q4(4Al)
-21.57
1.000
1.41
0.545


References
Spectrum

  Authors: Afeworki, M., Dorset, D.L., Kennedy, G.J. and Strohmaier, K.G.
  Title: Synthesis and characterization of a new microporous material. 1. Structure of aluminophosphate EMM-3
  Reference: Chem. Mater., 18, 1697-1704 (2006)
  Figure: Figure 2a  

Peak Assignment

  Authors: Afeworki, M., Dorset, D.L., Kennedy, G.J. and Strohmaier, K.G.
  Title: Synthesis and characterization of a new microporous material. 1. Structure of aluminophosphate EMM-3
  Reference: Chem. Mater., 18, 1697-1704 (2006)
  Method: 2D correlation NMR, relative intensities
  Figure: Figure 6  

Crystal Structure

  Authors: Afeworki, M., Dorset, D.L., Kennedy, G.J. and Strohmaier, K.G.
  Title: Synthesis and characterization of a new microporous material. 1. Structure of aluminophosphate EMM-3
  Reference: Chem. Mater., 18, 1697-1704 (2006)

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. 202.1 MHz (Field = 11.7 Tesla)
  Pulse sequence single pulse
  MAS frequency 10-16 kHz
  Spectrum Digitized and processed by Brouwer Lab, Redeemer University
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with Mathematica notebook
 
  CommentTentative partial peak assignments are based on a 2D 27Al/31P correlation spectrum and relative peak areas

Chemical Formula

  [Al24P24O96]-EZT

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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