Abstract
Raman spectra of Cs 2Zn(N 3) 4 are reported for single crystals at 300 K and for powdered material at 80 K, respectively. Above 200 cm −1 the spectral features are dominated by the vibrational aspects of the isolated azide ions (all of which occupy general positions in the unit cell). Site group splittings have a pronounced effect in both the 600 cm −1 and 1200 cm −1 regions whereas in the 2000 cm −1 region factor group splittings play an additional role. Infrared spectra at room temperature of powdered Cs 2Zn(N 3) 4, together with Raman and infrared spectra of K 2Zn(N 3) 4 and Rb 2Zn(N 3) 4 are also discussed.
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