Database of Zeolite Structures
 
Framework Type NAT
29Si MAS NMR spectrum of scolecite from Teigarhorn, Iceland


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
G
T2+T3
Q4(1Al)
-99.88
0.003
1.73
0.000
F
T1
Q4(2Al)
-94.98
0.315
1.55
0.520
E
T2+T3
Q4(2Al)
-93.07
0.008
0.96
0.520
D
T1
Q4(3Al)
-91.83
0.017
2.15
0.000
C
T3
Q4(3Al)
-88.15
0.347
1.19
0.810
B
T2
Q4(3Al)
-85.51
0.291
1.27
0.450
A
T2+T3
Q4(4Al)
-82.92
0.018
3.41
1.000


References
Spectrum

  Authors: Neuhoff, P.S., Kroeker, S., Du, L.-S., Fridriksson, T., Stebbins, J.F.
  Title: Order/disorder in natrolite group zeolites: A 29Si and 27Al MAS NMR study
  Reference: Amer. Mineral., 87, 1307-1320 (2002)
  Figure: Figure 4a  

Peak Assignment

  Authors: Neuhoff, P.S., Kroeker, S., Du, L.-S., Fridriksson, T., Stebbins, J.F.
  Title: Order/disorder in natrolite group zeolites: A 29Si and 27Al MAS NMR study
  Reference: Amer. Mineral., 87, 1307-1320 (2002)
  Method: chemical shift vs. T-O-T angle
Spectrum information

  Obs. freq. 79.49 MHz (Field = 9.4 Tesla)
  Pulse sequence single pulse
  MAS frequency 4.7 kHz
  Spectrum processed by H. Koller, University of Münster
  Data processing Spectrum digitized with WebPlotDigitizer and deconvoluted with dmfit: D. Massiot et al., Magn. Reson. Chem., 40, 70-76 (2002)
 
  Si/Al ratio1.5 (derived from the simulation above)

Chemical Formula

  |Ca3.96K0.04(H2O)x| [Al8.0Si12.0O40]-NAT

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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