The Crystal Structures of Zr5Te4and Zr3Te

✍ Scribed by R de Boer; E.H.P Cordfunke; P van Vlaanderen; D.J.W IJdo; J.R Plaisier

• Publisher: Elsevier Science
• Year: 1998
• Tongue: English
• Weight: 280 KB
• Volume: 139
• Category: Article
• ISSN: 0022-4596
• DOI: 10.1006/jssc.1997.7721

✦ Synopsis

In the zirconium-rich part of the Zr-Te system the stoichiometric compounds Zr 5 Te 4 and Zr 3 Te exist. The crystal structures of both compounds have been investigated. The crystal structure of Zr 5 Te 4 has been resolved by Rietveld refinement of neutron powder diffraction data. It has a tetragonal bodycentered unit cell with lattice parameters a ‫؍‬ 1.07649(6) nm, c ‫؍‬ 0.38403(3) nm, spacegroup I4/m, and is isostructural with Ti 5 Te 4 . The profile agreement factors are R p ‫؍‬ 4.38%, R wp ‫؍‬ 5.91% and S ‫؍‬ 2.22. The crystal structure of Zr 3 Te has been resolved by Rietveld refinement of the X-ray powder diffraction data. It has a tetragonal body-centered unit cell with lattice parameters a ‫؍‬ 1.13382(6) nm and c ‫؍‬ 0.56265(5) nm, spacegroup I4 , isostructural with Ni 3 P, with profile agreement factors R p ‫؍‬ 12.5, R wp ‫؍‬ 13.6% and S ‫؍‬ 1.06. The structural similarities between both compounds are discussed.