Synthesis and crystal structure of bis(dibenzo-18-crown-6)cesium tetrachloroferrate(III)

Autor:	A. N. Chekhlov
Rok vydání:	2009
Předmět:	Diffraction Hexagonal antiprism Hexagonal prism Crystallography chemistry.chemical_compound Chemistry General Chemical Engineering 18-Crown-6 Tetrahedron Orthorhombic crystal system General Chemistry Crystal structure Diffractometer
Zdroj:	Russian Journal of Coordination Chemistry. 35:222-225
ISSN:	1608-3318 1070-3284
DOI:	10.1134/s1070328409030105
Popis:	A new complex [Cs(Db18C6)2]+[FeCl4]− was prepared and studied by X-ray diffraction (orthorhombic, space groupP21212,a = 22.934 A,b= 24.024 A,c= 16.665 A,Z= 8; direct method, anisotropic full-matrix least-squares refinement,R= 0.087 for all 8800 independent reflections; CAD4 automated diffractometer, λMoK α. Two independent [FeCl4]− anions have a slightly distorted tetrahedral structure. Two independent host-guest type complex cations [Cs(Db18C6)2]+ have a sandwich structure. The Cs+ cation is located between two Db18C6 crown ligands below and above the centers of their 18-membered macrocycles and is coordinated by all 12 O atoms. The coordination polyhedron of Cs+ (C.N. 12) is a distorted hexagonal antiprism rotated toward a hexagonal prism.
Databáze:	OpenAIRE
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