The synthesis and crystal structures of the first rare-earth alkaline-earth selenite chlorides MNd10(SeO3)(12)Cl-8 (M = Ca and Sr)

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

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Two new alkaline-earth Nd selenite chlorides MNd10(SeO3)(12)Cl-8 (M = Ca, Sr) were obtained using crystal growth from alkaline-earth chloride melts in quartz tubes. These new compounds crystallize in the orthorhombic system in space group C cca (# 68). The compounds were studied by energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction. It was shown that both compounds adopt the same structure type, constructed by complex [M-11(SeO3)(12)](8+) slabs separated by chloride anion layers perpendicular to the longest cell parameter. The SeO3 groups show a pyramidal shape and may be described as SeO3E tetrahedra. Such SeO3 groups decorate the Nd-O skeletons forming the [M-11(SeO3)(12)](8+) slabs. (C) 2007 Elsevier Inc. All rights reserved.

Original languageEnglish
Pages (from-to)3019-3025
Number of pages7
JournalJournal of Solid State Chemistry
Volume180
DOIs
Publication statusPublished - Nov 2007

Keywords

  • Selenite chloride
  • Rare earth compound
  • Crystal structure

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