Two Novel Bimetallic Cyano-Bridged Coordination Polymers Containing the 2,2′-(Ethylenedioxy)bis (Ethylamine): Syntheses, Structural, Thermal and Magnetic Properties

被引:0
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作者
Ayşegül Şenocak
Ahmet Karadağ
Yusuf Yerli
Ömer Andaç
Ertan Şahin
机构
[1] Gaziosmanpasa University,Department of Chemistry, Faculty of Art and Science
[2] Gebze Institute of Technology,Department of Physics, Faculty of Science
[3] Ondokuz Mayıs University,Department of Chemistry, Faculty of Art and Science
[4] Atatürk University,Department of Chemistry, Faculty of Science
关键词
Tetracyanonickellate; Cyano-bridged polymeric complexes; 2,2′-(Ethylenedioxy)bis(ethylamine); Magnetic properties; Thermal analysis;
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摘要
Two new cyano bridged bimetallic polymeric complexes, [Ni(edbea)Ni(CN)4]·1/2H2O (1) and [Cu(μ-edbea)(μ-CN)2 Ni(CN)2]·H2O (2) [edbea = 2,2′-(ethylenedioxy)bis(ethylamine)] have been synthesized by adding metal chloride (M = NiII and CuII), and edbea into [Ni(CN)4]2− in water–ethanol solution and then characterized by elemental analysis, infrared (IR) and electron paramagnetic resonance (EPR) (for only complex 2) spectra, variable temperature magnetic measurement, and thermal gravimetric analysis. The X-ray diffraction crystal structure of complex 2 shows a 2D polymeric chain –edbea(N5,O1)–Cu1–N1C1–Ni(CN)2–C4N6–Cu1–(N6,O2) edbea– in which the CuII centers are linked by two cyano and one edbea. The powder EPR spectrum of the complex 2 has shown that CuII ions are located in rhombically distorted octahedral sites. The magnetic properties of the coordination polymers have been studied in temperature range of 15–300 K. The magnetic behaviors investigation of complexes 1 and 2 indicated the presence of a very weak antiferromagnetic interaction.
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页码:628 / 635
页数:7
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