Synthesis and crystal structure of a 1D disulfoxide-lanthanide(III) complex {[La(L)2(DMF)4](ClO4)3} n [L = 1,6-bis(ethylsulfinyl)hexane]

Autor:	Guang-Hua Cui, Xian-He Bu, Jian-Rong Li, Ruo-Hua Zhang
Rok vydání:	2005
Předmět:	Hexane Lanthanide Crystallography chemistry.chemical_compound chemistry Ligand Materials Chemistry Molecule Crystal structure Physical and Theoretical Chemistry Monoclinic crystal system Coordination geometry Square antiprism
Zdroj:	Journal of Coordination Chemistry. 58:1659-1666
ISSN:	1029-0389 0095-8972
DOI:	10.1080/00958970500225996
Popis:	A new disulfoxide-La(III) complex {[La(L)2(DMF)4](ClO4)3} n (1) has been prepared by the reaction of La(ClO4)3 · nH2O and a flexible disulfoxide ligand, 1,6-bis(ethylsulfinyl)hexane (L), and characterized by elemental analysis, IR and single-crystal X-ray diffraction analysis (monoclinic system, space group C2/c, with a = 24.94(2), b = 12.012(8), c = 20.81(1) A, β = 117.57(1)°, V = 5527(6) A3 and Z = 4). The crystal structure consists of polymeric chains of {[La(L)2(DMF)4]3+} n cations and anions. In the cation of 1, each La(III) center is coordinated to eight O atoms from four distinct L ligands and four DMF molecules to give a square antiprism coordination geometry. The adjacent two La(III) ions are linked by two L ligands, which adopt bis-monodentate O-coordination bridging mode to form a double-bridging zigzag chain containing 22-membered macrocycles.
Databáze:	OpenAIRE
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