SYNTHESIS AND CRYSTAL-STRUCTURE OF THE NONASELENIDE [SR(15-CROWN-5)2]SE9

被引：21

作者：

MULLER, V ^{[1
]}

GREBE, C ^{[1
]}

MULLER, U ^{[1
]}

DEHNICKE, K ^{[1
]}

机构：

[1] UNIV MARBURG,FACHBEREICH CHEM,HANS MEERWEIN STR,W-3550 MARBURG,GERMANY

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1993年 / 619卷 / 02期

关键词：

NONASELENIDE; SYNTHESIS; CRYSTAL STRUCTURE;

D O I：

10.1002/zaac.19936190229

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The title compound was prepared by the reaction of excess selenium with strontium diselenide in DMF in the presence of 15-crown-5. [Sr(15-crown-5)2]Se, forms black crystals, which are soluble in DME They were characterized by FIR spectroscopy and by an X-ray structure determination. Space group P2(1)/n, Z = 4, 2381 observed unique reflections, R = 0.073. Lattice dimensions at 1-degrees-C: a = 1 228.7, b = 1 893.4, c = 1 575.7 pm, beta = 99.15-degrees. The compound consists of [Sr(15-crown-5)2]2+ ions in which the strontium ion is coordinated by the oxygen atoms of the crown ether molecules in a sandwich-like fashion, and of Se9(2-) ions with a chain structure, which has a topolocical resemblance with the bicyclic ion Se10(2-).

引用

页码：416 / 420

页数：5

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