SYNTHESIS AND CRYSTAL-STRUCTURE DETERMINATION OF A ONE-DIMENSIONAL END-TO-END CYANATE-BRIDGED COPPER(II) COMPOUND

被引：25

作者：

VICENTE, R ^{[1
]}

ESCUER, A ^{[1
]}

PENALBA, E ^{[1
]}

SOLANS, X ^{[1
]}

FONTBARDIA, M ^{[1
]}

机构：

[1] UNIV BARCELONA,DEPT CRISTALLOG & MINERAL,E-08028 BARCELONA,SPAIN

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1994年 / 20期

关键词：

D O I：

10.1039/dt9940003005

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The compound [{CuL(mu-NCO)}(n)][ClO4](n) 1 (L = N,N,N',N'',N''-pentamethyl-3-azapentane-1,5-diamine) was synthesized and characterized. The crystal structure was determined by single-crystal X-ray analysis: orthorhombic, space group P2(1)/nb, a = 6.534(2), b = 10.945(3), c = 22.683(4) Angstrom, Z = 4. The magnetic behaviour was recorded between 290 and 2 K,; showing antiferromagnetic coupling. The magnetic susceptibility data were fitted to the expression for a homogeneous S = 1/2 linear chain, giving the parameters 2J = -1.26 cm(-1) and g = 2.10. Polycrystalline powder ESR spectra recorded at 4, 77, 180 and 298 K remained unchanged, showing axial distortion with g(parallel to) = 2.21 and g(perpendicular to) = 2.06. The single-crystal ESR spectrum was also recorded at room temperature: g(1) = 2.059, g(2) = 2.055, g(3) = 2.213.

引用

页码：3005 / 3008

页数：4

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