Synthesis and characterization of a complex salt and heterobimetallic coordination polymers of 1-benzoyl-1-cyanoethylene-2,2-dithiolate |
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Authors: | Nanhai Singh Akhilesh Prasad Sunita Gupta |
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Institution: | (1) Department of Chemistry, Banaras Hindu University, Varanasi, 221005, India;(2) Present address: Department of Physical and Inorganic Chemistry, Indian Institute of Science (I.I.Sc.), Bangalore, 12, India |
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Abstract: | The complex salt (NBu4n)2 Cu(bcd)2] and heterobimetallic coordination polymers MM′(bcd)2 M=2AgI, CdII, HgII or PbII; M′=NiII or CuII; bcd2−=1-benzoyl-1-cyanoethylene-2,2-dithiolate] have been synthesized from the reaction of Na2M′(bcd)2] generated in situ with NBu4nBr or metal salts MX2 X=MeCO2−, NO3−, Cl− or SO42−]. The complexes were characterized by elemental analyses, molar conductance, magnetic susceptibility, i.r., n.m.r., electronic and e.s.r. spectra and solid-state conductivity measurements. The MCu(bcd)2 polymers are diamagnetic, suggesting strongly antiferromagnetically coupled CuII ions. The conductivities of the pressed pellets of the compounds are very small and they do not show semiconducting behaviour in the considered temperature range.*Presented at the 10th Symposium on Modern Trends in Inorganic Chemistry (MTIC-X), December 15–17, 2003, Indian Institute of Technology, Mumbai, India. |
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