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Journal of Coordination Chemistry
Year: 2009  |  Volume: 62  |  Issue: 16  |  Page No.: 2631 - 2640

Syntheses and characterization of new MnII and FeII complexes with 4'-(4-pyridyl)-2,2' : 6',2''-terpyridine (pyterpy), [Mn(pyterpy)(MeOH)2(OAc)](ClO4) and [Fe(pyterpy)2](SCN)2 · MeOH

Ahmad Morsali, Hassan Hosseni Monfared, Ali Ramazani, Nader Noshiranzadeh, Ali Morsali and Matthias Zeller    

Abstract: Two new MnII and FeII complexes with 4'-(4-pyridyl)-2,2' : 6',2''-terpyridine (pyterpy), [Mn(pyterpy)(MeOH)2(OAc)](ClO4) (1) and [Fe(pyterpy)2](SCN)2 · MeOH (2) have been synthesized and characterized by CHN elemental analysis, IR spectroscopy, and structurally analyzed by single-crystal X-ray diffraction. The thermal stabilities of these compounds were studied by thermal gravimetric (TG) and differential thermal analyses (DTA). The potentially tetradentate pyterpy ligand is a tridentate donor to both Mn(II) and Fe(II). The non-coordinated pyridyl interacts via O-H ··· N and C-H ··· N hydrogen bonds with adjacent molecules in 1 and 2, respectively, to form inversion symmetric dimers. Compound 1 is further extended into infinite hydrogen bonded chains via pairs of O-H ··· Oacetate hydrogen bonds.

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