Using correlations between structural data and quadrupole coupling constants and isotropic chemical shifts in tandem with the results of 2D-heteronuclear correlation spectroscopy an alternative assignment is proposed for the 27Al and 31P NMR resonances to the three crystallographically distinct Al and P sites in the aluminophosphate molecular sieve VPI-5.
G. Engelhardt and W. Veeman, J. Chem. Soc., Chem. Commun., 1993, 622 DOI: 10.1039/C39930000622
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