Syntheses,crystal structures and properties of a new family of isostructural and isomorphous compounds of type [M(L)(NCS)3] [M = La,Gd, Tb and Dy; L = a neutral hexadentate Schiff base] |
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| Authors: | Bhaskar Biswas Pallepogu Raghavaiah Núria Aliaga-Alcalde Jhy-Der Chen Rajarshi Ghosh |
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| Institution: | 1. Department of Chemistry, The University of Burdwan, Burdwan 713 104, India;2. School of Chemistry, Hyderabad Central University, Hyderabad 500046, India;3. Institució Catalana de Recerca i Estudis Avançats (ICREA) and Departament de Química Inorgànica, Universitat de Barcelona, Diagonal, 647, 08028 Barcelona, Spain;4. Department of Chemistry, Chung Yuan Christian University, Chung Li, Taiwan 32023, ROC |
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| Abstract: | The neutral hexadentate Schiff base N-(1-pyridin-2-yl-phenylidene)-N′-2-({2-(1-pyridin-2-yl-phenylidene)amino]ethyl}amino)ethyl]ethane-1,2-diamine (L) was used to synthesize new lanthanide(III) complexes of type M(L)(NCS)3] (M = La, 1; Gd, 2; Tb, 3; Dy, 4). Single crystal X-ray diffractometry reveals the tricapped trigonal prismatic structure of all the compounds. Variable-temperature magnetic susceptibility measurements in 2–4 show the expected χMT versus T plot for an isolated, mononuclear lanthanide(III) ion with 4f7, 4f8 and 4f9 configurations, respectively following Curie Law. |
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| Keywords: | Lanthanides Schiff bases X-ray structures Magnetic properties |
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