Novel heterometallic Cu(II)/Cr(III) complex with unique open-chain N-ligand produced in conditions of direct template synthesis |
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| Authors: | Vitalina M Nikitina Oksana V Nesterova Vladimir N Kokozay Viktoriya V Dyakonenko Oleg V Shishkin Julia Jezierska |
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| Affiliation: | 1. Department of Inorganic Chemistry, National Taras Shevchenko University, Volodymyrska Str. 64, Kyiv 01033, Ukraine;2. Institute for Scintillation Materials, Institute for Single Crystals, National Academy of Sciences of Ukraine, Lenina Ave. 60, Kharkiv 61001, Ukraine;3. Department of Inorganic Chemistry, V.M. Karazin Kharkiv National University, Svobody sq. 4, Kharkiv 61077, Ukraine;4. Faculty of Chemistry, University of Wroclaw, 14 Joliot-Curie Str., 50-383 Wroclaw, Poland |
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| Abstract: | The one-pot self-assembly reaction of copper powder, Reineckes salt, acetone and tris(2-aminoethyl)amine (tren) in dmso affords to obtain a heterometallic compound Cu(trenac)]Cr(NCS)4(NH3)2](NCS) · 6dmso with novel Schiff-base ligand N-(2-{(1E)-3-amino-1,3-dimethylbutylidene]amino}ethyl)-N-(2-aminoethyl)ethane-1,2-diamine (trenac). The ligand trenac is generated by metal-directed condensation of tren, acetone and ammonia, formed during the synthetic procedure. X-ray structural investigations showed that the complex consists of Cu(trenac)]2+ cations, anions of the Reineckes salt Cr(NCS)4(NH3)2]?, uncoordinated thiocyanate groups and dmso molecules, which are held together by electrostatic forces and hydrogen-bonded interactions. The compound was characterized by EPR spectroscopic and magnetic susceptibility measurements. |
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