Synthesis and structure refinement of the spinel, γ-Ge3N4

Kurt Leinenweber, M. O'Keeffe, M. Somayazulu, H. Hubert, P. F. McMillan, George Wolf

Research output: Contribution to journalArticle

121 Scopus citations

Abstract

γ-Ge3N4 is formed from α-or β-Ge3N4 at pressures greater than 12 GPa and temperatures above 100°C. It has the spinel structure, symmetry Fc3̄m, and lattice parameter a = 8.2125(1) Å. Germanium has both tetrahedral [Ge-N = 1.879(2) Å] and octahedral [Ge-N = 1.996(1) Å] coordination to nitrogen. The difference between the octahedral and tetrahedral bond lengths in this nitride is close to that expected from systematics, which were largely derived from oxides.

Original languageEnglish (US)
Pages (from-to)3076-3078
Number of pages3
JournalChemistry - A European Journal
Volume5
Issue number10
DOIs
StatePublished - Oct 1999

Keywords

  • Germanium
  • High-pressure chemistry
  • Nitrides
  • Spinel phases

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry

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