Acta Crystallographica Section C

Crystal Structure Communications

Volume 62, Part 1 (January 2006)

inorganic compounds

Acta Cryst. (2006). C62, i3-i5 [ doi:10.1107/S0108270105036644 ]

Twinning and structure of Eu_0.6Sr_0.4MnO₃

R. Tamazyan, N. Rotiroti, S. van Smaalen, Y. Mukovskii and A. Arsenov

Abstract: The crystal structure of europium strontium manganese trioxide, Eu_0.6Sr_0.4MnO₃, has been refined using a multiply twinned single crystal containing six twin components. The MnO₆ octahedra show Jahn-Teller distortions with nearly fourfold symmetry, but the octahedral tilting scheme reduces the crystal symmetry to orthorhombic (space group Pbnm). The refinement of site occupancies and the analysis of difference Fourier maps show that the Eu³⁺ and Sr²⁺ cations occupy different crystallographic positions with eightfold and twelvefold coordination, respectively.

Formula: Eu_0.59Sr_0.41MnO₄


	Text file (162.8 kbytes) [ doi:10.1107/S0108270105036644/bc1078hklsup3.txt ] Supplementary material

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