Details

Autor(en) / Beteiligte

• Yazıcılar, Turan Kaya
• Gürkan, Evrim Yılmaz
• Uçar, İbrahim
• Kazak, Canan

Titel

Synthesis, characterization, spectroscopic, and thermal studies of imidazole complexes of metal benzenesulfonates. Crystal structure of [M(imH)3(H2O)3]·(BS)2 [M=Ni(II) and Co(II)]

Ist Teil von

• Transition metal chemistry (Weinheim), 2009-09, Vol.34 (6), p.669-676

Ort / Verlag

Dordrecht: Springer Netherlands

Erscheinungsjahr

2009

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Four novel transition metal benzenesulfonate (BS) complexes of imidazole (im) with a general formula [M(imH) 3 (H 2 O) 3 ]·(BS) 2 [M=Mn(II) ( 1 ), Ni(II) ( 2 ), Co(II) ( 3 )] and [Cu(BS)(imH) 3 ]·(BS) ( 4 ) have been synthesized and characterized by physicochemical and spectroscopic methods. The complexes 2 and 3 have also been characterized by single X-ray diffraction technique. The BS anion in complexes 1 – 3 acts as a counter anion, while in complex 4, it acts as both ligand and counter anion. The Ni and Co complexes are isomorphous, crystallizing in the monoclinic crystal system with C2/c space group. Each metal(II) atom in 2 and 3 is octahedrally coordinated by three imidazole and three aqua ligands, adopting a mer -coordination mode with Ni(II) or Co(II) centers. In both 2 and 3 , the H2C atom has bifurcated donor (O3 and O5) atoms, forming a bifurcated hydrogen bond. This hydrogen bond links the complex cation and BS anion, forming one-dimensional hydrogen-bonded supramolecular chains. The complexes exhibit different decomposition characteristics. Magnetic susceptibility measurement shows that complex 3 has orbital interactions.