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Поиск по журналу

Журнал структурной химии

2013 год, номер 6

CONSTRUCTION OF CHLORIDO-BRIDGED DINUCLEAR COPPER(II) COMPLEXES WITH SIMILAR TRIDENTATE SCHIFF BASES

S.-S. Qian1, H.-H. Li2, Z.-L. You2, H.-L. Zhu1
1School of Life Sciences, Shandong University of Technology, ZiBo, P. R. China
hailiang_zhu@163.com
2Department of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, P. R. China
Ключевые слова: Schiff base, copper complex, dinuclear complex, crystal structure
Страницы: 1110-1114
Подраздел: КРАТКИЕ СООБЩЕНИЯ

Аннотация

Two new chlorido-bridged dinuclear copper(II) complexes [Cu 2Cl 2(L 1) 2] (1) and [Cu 2Cl 2(L 2) 2] (2), where L 1 and L 2 are the deprotonated form of Schiff bases 2-[1-(2-morpholin-4-ylethylimino)ethyl]phenol (HL 1) and 2-[1-(2-piperidin-1-ylethylimino)ethyl]phenol respectively, are prepared and structurally characterized by elemental analysis, IR spectra, and single crystal X-ray crystallography. Complex 1 crystallizes in the monoclinic space group P 2 1/ c with unit cell dimensions a = 8.0816(2) Å, b = 19.1780(3) Å, c = 9.6757(3) Å, b = 106.465(2)°, V = 1438.13(6) Å 3, Z = 2, R 1 = 0.0409, and wR 2 = 0.1085. Complex 2 crystallizes in the monoclinic space group P 2 1/ c with unit cell dimensions a = 7.7640(10) Å, b = 19.930(3) Å, c = 9.628(2) Å, b = 103.890(3)°, V = 1446.2(4) Å 3, Z = 2, R 1 = 0.0634, and wR 2 = 0.1316. Each Cu atom in the complexes is coordinated by three donor atoms of the Schiff bases and by two bridging Cl atoms, forming square pyramidal geometry. The Cl anions are preferred bridging groups for the construction of dinuclear copper complexes with tridentate Schiff bases.