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Effect of extraframework species on 17O NMR chemical shifts in zeolite A

✍ Scribed by Philip S. Neuhoff; Peidong Zhao; Jonathan F. Stebbins


Book ID
104430721
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
312 KB
Volume
55
Category
Article
ISSN
1387-1811

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Structural effects on 17O NMR shifts of
✍ Louis D. Quin; Jerzy Szewczyk; Kathleen Linehan; David L. Harris πŸ“‚ Article πŸ“… 1987 πŸ› John Wiley and Sons 🌐 English βš– 268 KB

The 1 7 0 NMR chemical shifts of a variety of cyclic phosphine oxides were recorded at natural abundance. The shifts proved to be extremely sensitive to structural effects such as ring size and the presence of y-interactions. Values were found to cover a 70 ppm range. The most unusual effect was dis