Author:
Hoffmann Andrea V.,Hlukhyy Viktor,Fässler Thomas F.
Abstract
The crystal structure of the binary compound tetracalcium triarsenide, Ca4As3, was investigated by single-crystal X-ray diffraction. Ca4As3crystallizes in the Ba4P3structure type and is thus a homologue of isotypic Sr4As3. The unit cell contains 32 Ca2+cations, 16 As3−isolated anions and four centrosymmetric [As2]4–dumbbells. The As atoms in each of the dumbbells are connected by a single bond, thus this calcium arsenide is a Zintl phase.
Publisher
International Union of Crystallography (IUCr)
Subject
Condensed Matter Physics,General Materials Science,General Chemistry
Cited by
5 articles.
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