Preparation and crystal structure of Li4[TaN3]

R. Niewa, D. A. Zherebtsov, H. Borrmann, R. Kniep

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The new lithium nitridotantalate(V), Li4[TaN3], was prepared by reaction of Li15[CrN4]2N with the wall of a welded Ta ampoule in the presence of metallic Li at 1470 K. Li4[TaN3] forms colourless single crystals (platelets, space group Ibca, No. 73, a = 491.85(4) pm, b = 973.59(6) pm, c = 1415.0(1) pm, Z = 8, R1 = 0.0288). The crystal structure is described as Li2O superstructure with ordered occupation of the tetrahedral sites by Li and Ta. The resulting arrangement leads to infinite chains 1[TaN2N2/24- running along [100].

Original languageEnglish
Pages (from-to)2505-2508
Number of pages4
JournalZeitschrift fur Anorganische und Allgemeine Chemie
Volume628
Issue number11
DOIs
StatePublished - 2002
Externally publishedYes

Keywords

  • Crystal structure
  • Lithium
  • Nitrides
  • Tantalum

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