Thermoanalytical (TG, DTA and DTG) behavior of cobalt(II), nickel(II), copper(II), zinc(II) and cadmium(II) halide complexes of 1,3-dipiperidinopropane

详细信息    查看全文

• 作者：Rehman ; Saeed-ur ; Arshad ; Muhammad ; Ali Khan ; Shad ; Masud ; Khalid ; Arshad ; Nasima ; Hussain Qureshi ; Ammad ; et. al.
• 关键词：Thermoanalytical behavior ; Halide complexes ; 1 ; 3-Dipiperidinopropane
• 刊名：Thermochimica Acta
• 出版年：2000
• 出版时间：February 14, 2000
• 年：2000
• 卷：345
• 期：1
• 页码：81-91
• 全文大小：198 K

文摘

The halide complexes of transition metals with 1,3-dipiperidinipropane of the general formula M(CH₂(CH₂NC₅H₁₀)₂)Br₂, where M = Co(II), Ni(II), Cu(II), Zn(II) and Cd(II), have been synthesized and characterized by elemental analysis, electronic and IR spectra, room temperature magnetic moment studies and conductivity measurements. The thermal behavior of these complexes has been studied by TG and DTA.

All these complexes show two steps weight loss upon heating up to 700°C, with simultaneous loss of organic and inorganic fragments and show almost similar mode of decomposition. Their compositions were confirmed by microanalytical analysis and IR spectroscopy. The residues after heating correspond to metal oxide. Cadmium forms the most thermally stable complex.