The crystal structure of a new bismuth tellurium oxychloride Bi0.87Te2O4.9Cl0.87 from neutron powder diffraction data

P. S. Berdonosov, V. A. Dolgikh, P. Lightfoot

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A new bismuth tellurium oxychloride was obtained by reaction of BiOCl and TeO2 in air. According to energy dispersive X-ray spectroscopy and neutron powder diffraction refinement the composition of the substance was determined as Bi0.87Te2O4.9Cl0.87. The new compound crystallizes in the trigonal system space group R (3) over bar (#148), Z = 6, a = 4.10793(4), c = 31.1273(4)angstrom, chi(2)=3.20, wR(P) = 0.0369. Bi0.87Te2O4.9Cl0.87 has a new type of layered structure constructed by Bi-Te-O layers separated by chloride ions. The Te atoms in Bi0.87Te2O4.9Cl0.87 show an unusual umbrella-like environment. A comparison with known related structures has been made. (C) 2007 Elsevier Inc. All rights reserved.

Original languageEnglish
Pages (from-to)1533-1537
Number of pages5
JournalJournal of Solid State Chemistry
Volume180
DOIs
Publication statusPublished - May 2007

Keywords

  • oxychloride
  • lone-pair elements
  • crystal structure determination
  • neutron powder diffraction
  • HOLMIUM(III) CHLORIDE OXOTELLURATE(IV)
  • OXYHALIDES
  • BI3O4BR

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