Sm2O2I – A New Mixed‐Valence Samarium(II,III) Oxide Halide
Identifieur interne : 001721 ( Main/Exploration ); précédent : 001720; suivant : 001722Sm2O2I – A New Mixed‐Valence Samarium(II,III) Oxide Halide
Auteurs : Mikhail Ryazanov ; Constantin Hoch ; Hansjürgen Mattausch ; Arndt Simon [Allemagne]Source :
- ZAAC ‐ Journal of Inorganic and General Chemistry [ 0044-2313 ] ; 2006-11.
English descriptors
- KwdEn :
- Acta, Acta crystallogr, Allg, Anorg, Atomic coordinates, Bond valence parameters, Chem, Corrugated layer, Corrugated layers, Crystal data, Crystal structure, Crystallogr, Divalent, Empirical valence, Gmbh, Halide, Kgaa, Mattausch, Metal atoms, Oxide halide, Oxide halides, Room temperature, Ryazanov, Samarium, Sm4o, Smi2, Stoe, Stoe ipds, Structure determination, Tetrahedron, Valence, Verlag, Verlag gmbh, Weinheim.
- Teeft :
- Acta, Acta crystallogr, Allg, Anorg, Atomic coordinates, Bond valence parameters, Chem, Corrugated layer, Corrugated layers, Crystal data, Crystal structure, Crystallogr, Divalent, Empirical valence, Gmbh, Halide, Kgaa, Mattausch, Metal atoms, Oxide halide, Oxide halides, Room temperature, Ryazanov, Samarium, Sm4o, Smi2, Stoe, Stoe ipds, Structure determination, Tetrahedron, Valence, Verlag, Verlag gmbh, Weinheim.
Abstract
Dark red single crystals of Sm2O2I were obtained from a reaction of SmI2 (in the presence of SmOI) and Na in a sealed tantalum ampoule at 650 °C. The title compound crystallizes in the monoclinic system (C2/m, Z = 4, a = 12.639(2), b = 4.100(1), c = 9.762(3) Å, β = 117.97(2)°). The structure consists of corrugated [Sm2+Sm3+(O2−)2]+ layers of edge and vertex‐connected Sm4O tetrahedral units with I− anions separating the layers.
Url:
DOI: 10.1002/zaac.200600176
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">Dark red single crystals of Sm2O2I were obtained from a reaction of SmI2 (in the presence of SmOI) and Na in a sealed tantalum ampoule at 650 °C. The title compound crystallizes in the monoclinic system (C2/m, Z = 4, a = 12.639(2), b = 4.100(1), c = 9.762(3) Å, β = 117.97(2)°). The structure consists of corrugated [Sm2+Sm3+(O2−)2]+ layers of edge and vertex‐connected Sm4O tetrahedral units with I− anions separating the layers.</div>
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