Issue 11, 1994
From the journal:

Journal of Materials Chemistry

Preliminary crystal structure of mixed-valency Sr4Ni3O9, the actual formula of the so-called Sr5Ni4O11

Francis Abraham,   Sylvie Minaud  and  Catherine Renard  

Abstract

A crystal structure investigation of the so-called Sr5Ni4O11 from single-crystal X-ray data has shown that the composition of this oxide is in fact close to Sr4Ni3O9. The structure has been solved in the trigonal P321 space group. The final refinement gave an R factor of 0.045 for 512 independent reflections. The structure contains NiO3 chains with two NiO6 octahedra and one NiO6 trigonal prism alternating and sharing faces. The chains run along the three-fold axis and are connected by Sr ions. The Ni–O distances seem to indicate a possible repartition of NiIV in the octahedral sites and NiII in the trigonal prisms.

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Article information

DOI
https://doi.org/10.1039/JM9940401763
Article type
Paper

J. Mater. Chem., 1994,4, 1763-1764

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Preliminary crystal structure of mixed-valency Sr4Ni3O9, the actual formula of the so-called Sr5Ni4O11

F. Abraham, S. Minaud and C. Renard, J. Mater. Chem., 1994, 4, 1763 DOI: 10.1039/JM9940401763

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