2D five quantum MAS NMR using rotationally induced coherence transfer
UNSPECIFIED. (1999) 2D five quantum MAS NMR using rotationally induced coherence transfer. CHEMICAL PHYSICS LETTERS, 306 (5-6). pp. 297-302. ISSN 0009-2614Full text not available from this repository.
Rotation-induced 5Q <-> 1Q coherence transfer (RIACT) for 5Q MAS NMR experiments is shown unequivocally for O-17 (I = 5/2) for compounds with quadrupolar interactions in the range similar to 3-7.3 MHz. 5Q RIACT has distinct advantages over the methods used to excite 5Q MAS NMR hitherto through much reduced sensitivity to the electric field gradient. It is also less sensitive to spinning speed than 3Q RIACT on an I = 5/2 nucleus whilst producing similar signal intensity. The 2D 5Q RIACT O-17 spectrum of zeolite Na-A is better resolved than the previously published higher field 3Q spectrum with all three sites being clearly visible. (C) 1999 Elsevier Science B.V. All rights reserved.
|Item Type:||Journal Article|
|Subjects:||Q Science > QD Chemistry
Q Science > QC Physics
|Journal or Publication Title:||CHEMICAL PHYSICS LETTERS|
|Publisher:||ELSEVIER SCIENCE BV|
|Official Date:||18 June 1999|
|Number of Pages:||6|
|Page Range:||pp. 297-302|
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