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Sm2O2I – A New Mixed‐Valence Samarium(II,III) Oxide Halide

Identifieur interne : 001721 ( Main/Exploration ); précédent : 001720; suivant : 001722

Sm2O2I – A New Mixed‐Valence Samarium(II,III) Oxide Halide

Auteurs : Mikhail Ryazanov ; Constantin Hoch ; Hansjürgen Mattausch ; Arndt Simon [Allemagne]

Source :

RBID : ISTEX:3218E9B3DDAA100F46B44FFF1FDF67B7EB8645D5

English descriptors

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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<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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