Control of molecular architecture by hydrogen bonding: mononuclear versus dinuclear copper(II) complexes with tridentate N2O donor Schiff base isomers |
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| Authors: | Mithun Das Shouvik Chattopadhyay |
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| Institution: | 1. Department of Chemistry, Inorganic Section, Jadavpur University, Kolkata, 700 032, India
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| Abstract: | Two isomeric Schiff bases, HL 1 = 1-(2-dimethylamino-ethylimino)-methyl]-naphthalen-2-ol and HL 2 = 1-(2-ethylamino-ethylimino)-methyl]-naphthalen-2-ol, have been used to prepare copper(II) complexes in presence of thiocyanate. HL 1 forms a mononuclear complex Cu(L 1 )NCS] with terminal thiocyanate, whereas the isomeric Schiff base HL 2 , which is capable of hydrogen bonding, gives a dimeric complex, Cu2 (L 2 ) 2(NCS)2], with double μ-1,1-NCS bridges. Both complexes are characterized by physico-chemical and spectroscopic methods as well as by single crystal X-ray diffraction studies. |
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