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Sm 2 Se 5 O 13 : A Selenite–Diselenite according to Sm 2 (SeO 3 )(Se 2 O 5 ) 2
Author(s) -
Wickleder Mathias S.
Publication year - 2006
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200600172
Subject(s) - monoclinic crystal system , ampoule , crystallography , selenium , crystal structure , ion , lone pair , materials science , chemistry , analytical chemistry (journal) , molecule , organic chemistry , metallurgy , chromatography
Pale yellow single crystals of Sm 2 (SeO 3 )(Se 2 O 5 ) 2 (monoclinic, P 2 1 / c , Z = 4, a = 1003.6(2), b = 1022.5(2), c = 1287.3(2) pm, β = 112.3(2)°) were obtained from the reaction of Sm 2 O 3 and SeO 2 at 350 °C in a sealed glass ampoule. In the crystal structure both Se 2 O 5 2− and SeO 3 2− groups connect the Sm 3+ ions into layers. Between the layers the lone electron pairs of the anions are located.