Synthesis, spectral, thermal and structural characterization of{[Cu(H2O)3][Cu(MAL)2]•2H2O}∞ and [Cu(MAL)(TEA)]•H2O (MAL = malonate and TEA = triethanolamine)

被引：18
作者：
Yilmaz, VT [1 ]
Senel, E
Thöne, C
机构：
[1] Ondokuz Mayis Univ, Dept Chem, Fac Arts & Sci, TR-55139 Kurupelit, Samsun, Turkey
[2] Tech Univ Braunschweig, Inst Anorgan & Analyt Chem, D-38023 Braunschweig, Germany
来源：
TRANSITION METAL CHEMISTRY | 2004年 / 29卷 / 03期
关键词：
D O I：
10.1023/B:TMCH.0000020381.99658.ac
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A polymeric malonato-bridged copper(II) complex, {[Cu(H2O)(3)][Cu(MAL)(2)] . 2H(2)O}(infinity), and a mononuclear malonato-copper(II) complex with triethanolamine, [Cu(MAL)(TEA)] . H2O, have been prepared and characterized by elemental analyses, i.r., u.v. - vis, magnetic measurements and single crystal X-ray diffraction. The polymeric complex consists of one-dimensional chains containing the MAL bridged [Cu(H2O)(3)](2+) and [Cu(MAL)(2)](2-) ions and each MAL ligand simultaneously exhibits chelating bidentate (at one copper atom) and bridging ( at the adjacent copper atom) coordination modes. The intrachain Cu1...Cu2 separation is 4.963 Angstrom and the polymeric complex exhibits antiferromagnetic behaviour. In the mononuclear complex, the copper(II) ion is octahedrally coordinated by one bidentate MAL and one tetradentate neutral TEA ligands. The i. r. spectra and thermal decompositions of both complexes are described.
引用
收藏
页码：336 / 342
页数：7
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