Adducts of tellurium and organotellurium(IV) chlorides with transition metal chelates of tetradentate schiff bases |
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Authors: | Tej N Srivastava Ashok K S Chauhan Gopal K Mehrotra |
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Institution: | (1) Chemistry Department, Lucknow University, 226007 Lucknow, India |
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Abstract: | Summary Coordinative interaction between tellurium tetrachloride or aryltellurium trichloride and transition metal chelates of tetradentate Schiff bases has yielded bimetallic molecular adducts of the general formula RnTeCl4–n · ML n = 0 or 1, R = Ph,p-MeOC6H4 orp-EtOC6H4, M = nickel(II) or copper(II) and L2– dianion of the Schiff bases derived from salicylaldehyde oro-hydroxyacetophenone and ethylenediamine]. The i.r. spectral and magnetic measurements on the complexes in the solid state indicate coordination of the metal chelates to tellurium(IV)via two phenolic oxygens. Planarity about the transition metal ion is thus retained. |
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