Acta Crystallographica Section C

Crystal Structure Communications

Volume 61, Part 9 (September 2005)

inorganic compounds

Acta Cryst. (2005). C61, i96-i98 [doi:10.1107/S010827010501509X]

High- and low-temperature La₂RuO₅ by powder neutron diffraction

S. G. Ebbinghaus

Abstract: The structure of dilanthanum ruthenium pentoxide was solved by powder neutron diffraction at room temperature and 1.5 K. High-temperature La₂RuO₅ crystallizes in the monoclinic space group P2₁/c. Upon cooling, the sample undergoes a phase transition to the triclinic low-temperature form (space group P $\overline{1}$ ). This transition leads to pronounced changes in the Ru-O-Ru bond distances, resulting in a dimerization of the ruthenium ions.

Formula: La₂RuO₅ and La₄Ru₂O₁₀


	Rietveld powder data file (CIF format) (35.2 kbytes) Contains datablock HT

	Rietveld powder data file (CIF format) (70.3 kbytes) Contains datablock LT

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