The low-temperature form of calcium gold stannide, CaAuSn
Journal Article
·
· Acta Crystallographica Section C Structural Chemistry
The EuAuGe-type CaAuSn phase has been synthesized and single-crystal X-ray diffraction analysis reveals that it has an orthorhombic symmetry (space group Imm2), with a = 4.5261 (7) Å, b = 7.1356 (11) Å and c = 7.8147 (11) Å. The structure features puckered layers that are connected by homoatomic Au-Au and Sn-Sn interlayer bonds. This structure is one of the two parent structures of its high-temperature polymorph (ca 873 K), which is an intergrowth structure of the EuAuGe- and SrMgSi-type structures in a 2:3 ratio.
- Research Organization:
- Ames Lab., Ames, IA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-07CH11358
- OSTI ID:
- 1157651
- Report Number(s):
- IS-J 8366; ACSCGG
- Journal Information:
- Acta Crystallographica Section C Structural Chemistry, Vol. 64, Issue 8; ISSN 2053-2296
- Country of Publication:
- United States
- Language:
- English
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