@article {3976,
	title = {1D and 2D solid state NMR investigations of the framework structure of As-synthesized AlPO4-14},
	journal = {Solid State Nuclear Magnetic Resonance},
	volume = {9},
	number = {2-4},
	year = {1997},
	note = {ISI Document Delivery No.: YU021Times Cited: 46Cited Reference Count: 21},
	month = {Dec},
	pages = {97-106},
	type = {Article},
	abstract = {The framework structure of As-synthesized ALPO(4)-14 has been investigated with a combination of different one-dimensional Al-27 and P-31 solid State NMR techniques and Al-27/P-31 double resonance methods. The results are found to be fully consistent with the assumed structural model. Al-27 MAS and DOR experiments at three different magnetic field strengths together with simulations show the presence of two tetrahedral sites, one pentacoordinated and one octahedral aluminum site. The Al-27 quadrupolar coupling constants and the P-31 isotropic chemical shifts of the tetrahedral sites correlate well with tetrahedral shear-strain parameters and mean P-O-Al bond angles, respectively. These correlations allow one to assign all of the NMR resonances to specific T-sites in the proposed framework structure. The assignments are then further confirmed by the application of three different two-dimensional heteronuclear correlation methods (i.e., Al-27 {\textendash}> P-31 TEDOR, CP, and INEPT) which reveal the connectivities between AlOx and PO4 polyhedra. The two-dimensional INEPT experiment is applied here for the first time in the solid state. (C) 1997 Published by Elsevier Science B.V.},
	keywords = {AL-27, Al-27 nuclear magnetic resonance spectroscopy, aluminophosphate, ANGLE, double resonance, MOLECULAR, MOLECULAR-SIEVE VPI-5, NUCLEI, P-31 NMR, P-31 nuclear magnetic, QUADRUPOLAR, RESOLUTION, resonance spectroscopy, sieve, SPIN},
	isbn = {0926-2040},
	url = {<Go to ISI>://000071671900004},
	author = {Fyfe, C. A. and Altenschildesche, H. M. Z. and Wong-Moon, K. C. and Grondey, H. and Chezeau, J. M.}
}
