Correlations between 9Be magic-angle spinning nuclear magnetic resonance spectra and the geometry of beryllium containing framework structures

✍ Scribed by S.E. Dann; M.T. Weller

• Book ID: 104357858
• Publisher: Elsevier Science
• Year: 1997
• Tongue: English
• Weight: 508 KB
• Volume: 10
• Category: Article
• ISSN: 0926-2040
• DOI: 10.1016/s0926-2040(97)00016-7

✦ Synopsis

A range of sodalite framework structures containing beryllium with general formula M,[BeZO,],X,; M = Cd, Zn, Z = Si, Ge and X = S, Se or Te have been synthesised. The structures of these materials, which contain a single beryllium environment, have been refined from powder neutron diffraction or powder X-ray diffraction data and the compounds further characterised using 9Be magic-angle spinning nuclear magnetic resonance (MASNMR). Spectra show a single sharp resonance for 'Be(OSi), in the chemical shift range k 1 ppm from 0.1 M BeCl,. Correlations between the Be-O-Z bond angles and the 9Be chemical shift are reported and show upfield shifts for larger angles as seen previously in MASNMR spectra for 29Si and *'Al. 0 1997 Elsevier Science B.V.