| 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) | -30.15 | 2.00 | 3.79 | 0.179 |
P2 | T2 | Q4(4Al) | -27.45 | 1.00 | 3.79 | 0.179 |
| Authors: | Jelinek, R., Chmelka, B.F., Wu, Y., Grandinetti, P.J., Pines, A., Barrie, P.J., Klinowski, J. | ||||
| Title: | Study of the Aluminophosphates AlPO4-21 and AlPO4-25 by 27Al Double-Rotation NMR | ||||
| Reference: | J. Am. Chem. Soc., 113, 4097-4101 (1991 DOI: 10.1021/ja00011a007) |
||||
| Figure: | Figure 6a | ||||
| Authors: | Jelinek, R., Chmelka, B.F., Wu, Y., Grandinetti, P.J., Pines, A., Barrie, P.J., Klinowski, J. | |
| Title: | Study of the Aluminophosphates AlPO4-21 and AlPO4-25 by 27Al Double-Rotation NMR | |
| Reference: | J. Am. Chem. Soc., 113, 4097-4101 (1991) DOI: 10.1021/ja00011a007 |
| Authors: | Richardson Jr., J.W., Smith, J.V. and Pluth, J.J. | |
| Title: | AlPO4-25: Framework topology, topotactic transformation from AlPO4-21 and high-low displacive transition | |
| Reference: | J. Phys. Chem., 94, 3365-3367 (1990) DOI: 10.1021/j100372a002 |
| 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) DOI: 10.1016/j.micromeso.2022.111934 | |
| Obs. freq. | 201.84 MHz (Field = 11.7 Tesla) | |
| Pulse sequence | single pulse | |
| MAS frequency | 5.5 kHz | |
| Spectrum | Digitized and processed by Brouwer Lab, Redeemer University | |
| Data processing | Spectrum digitized with WebPlotDigitizer and deconvoluted with Mathematica notebook |
|
| Comment | Al and P sites are not distinguished from each other in the crystal structure, which was determined at high temperature (593 K) compared to the NMR spectrum collected at room temperature. |
| [Al - P - O]-ATV |
| 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) |