Assembly of cyano-bridged Cu(II)/Cu(II) and Cu(I)/Cu(II) compounds obtained by controlled ration of cyanide |
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| Authors: | Shu-Zhong Zhan Wei Li An-Qi Liang |
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| Institution: | a Department of Chemistry, South China University of Technology, Guangzhou 510640, China
b Department of Chemistry, Luoyang Normal University, Luoyang 471022, China |
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| Abstract: | One reaction system of Cu2+, dipn, and CN− with two different molar ratio sets of 1:1:5, and 2:1:8 produced two compounds 1 CuII(dipn)]CuII(CN)4], and 2 , respectively (dipn = dipropylenetriamine). Their structures were determined by X-ray crystallography. Compound 2 is built from Cu(I) and Cu(II) centers, which are bridged by cyanide groups and metal-metal bonds. The magnetic properties of 1 and 2 were investigated in 2-300 K. Compound 1 exhibits an antiferromagnetic exchange interaction between copper(II) ions mediated by cyano-bridges. |
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| Keywords: | Cyanide Cu compounds Metal-metal bond Magnetic properties |
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