Zeitschrift fur Anorganische und Allgemeine Chemie p. 228 - 232 (1998)
Update date:2022-08-17
Topics:
Steinbrenner
Simon
Reacting Ba and N2 in the stoichiometric ratio 6 : 1 at 670 K, homogenizing the product at 570 K in the presence of Na and subsequently distilling off the Na yields Ba3N. This new subnitride decomposes into Ba2N and Ba at 830 K. Its structure represents a hexagonal rod packing of Ba6/2N chains (anti-TiI3 type, space group P63/mcm; a = 764.18(2) pm, c = 705.01(5) pm; Ba in 6 g with x = 0.2721(2), N in 2 b). The peculiarity of a very spaceous packing of these rods is addressed and discussed as possibly due to a quantum size effect.
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