Journal
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS
Volume 67, Issue -, Pages I53-I55Publisher
WILEY-BLACKWELL
DOI: 10.1107/S010827011103589X
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Funding
- US National Science Foundation, Solid State Chemistry
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [853732] Funding Source: National Science Foundation
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Two new compounds, beta-ScTe (scandium telluride) and Y3Au2 (triyttrium digold), have been synthesized by high-temperature solid-state techniques and their crystal structures, along with that of Y2Au (diyttrium gold), have been refined by single-crystal X-ray diffraction methods. beta-ScTe is a superstructure of ScTe (NiAs-type), featuring double hexagonal close-packed layers of Te atoms with the octahedral cavities filled by Sc atoms. Y3Au2 displays a U3Si2-type structure and is built from Au-2-centered bitrigonal prisms and centered cubes of Y atoms. The structure of Y2Au is better described as an inverse PbCl2-type structure rather than a Co2Si-type.
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