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Original Articles

[Co(salen)(CN)2] as Building Block for the Design of Heterobimetallic Systems: Synthesis, Characterization, and Crystal Structures of Cyano-Bridged CoIII-MnII Complexes

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Pages 273-278 | Received 08 Nov 2011, Accepted 13 Oct 2012, Published online: 25 Jan 2013
 

Abstract

With trans-dicyanidecobalt(III) precursor K[Co(salen)(CN)2]· CH3OH (1) (H2salen = N,N′-bis(salicyl)ethylenediamine) as build- ing block and two Mn(II) compounds containing bulky anci- llary organic ligands as assembling segments, two new cyanide- bridged heterometallic CoIII-MnII complexes {[Co(salen)(CN)2]2 [Mn(bipy)2]}·2CH3OH (2) and }[Co(salen)(CN)2]2[Mn(phen)2]}· 0.5CH3CN·0.5H2O(3) have been successfully synthesized and characterized by elemental analysis, IR spectroscopy, and X-ray structure determination. Single X-ray diffraction analysis reveals the trinuclear V-shaped CoIII 2MnII nature of complexes 2 and 3 comprise one [Mn(bipy)2]2+/[Mn(phen)2]2+ and two [Co(salen)(CN)2] units. Interestingly, under the help of intermolecular C-Hπ interactions, both of these two complexes display two dimensional supermolecular structures.

Acknowledgments

This work was supported by the National Natural Science Foundation of China (21171107), the Natural Science Foundation of Shandong Province (ZR2011BM008), and the Science and Technology Project of High Education, Shandong Province (No. J11LB09).

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