Synthesis and spectroscopic characterization of [CoIII(salophen)(amine)2]ClO4 (amine=morpholine,pyrrolidine, and piperidine) complexes. The crystal structures of [CoIII(salophen)(morpholine)2]ClO4 and [CoIII(salophen)(pyrrolidine)2]ClO4 |
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| Affiliation: | 1. Institute of Physical Chemistry, Swiss Federal Institute of Technology, CH-1015 Lausanne, Switzerland;2. Institut de Cristallographie de l''Université de Lausanne, BSP Dorigny, CH-1015 Lausanne, Switzerland;3. Department of Chemistry, Isfahan University of Technology, Isfahan 84154, Iran;4. Department of Chemistry, Tarbiat Modarres University, PO Box 14155-4838, Tehran, Iran;1. Departamento de Parasitologia, Microbiologia e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, 33036-900 Juiz de Fora, MG, Brazil;2. LQBin – Laboratório de Química BioInorgânica, Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, 33036-900 Juiz de Fora, MG, Brazil;3. Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, 36036-900 Juiz de Fora, MG, Brazil;1. Department of Chemistry, Payame Noor University, Abhar, Zanjan, Iran;2. Department of Chemistry, Faculty of Sciences, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran;3. School of Mechanical Engineering, Yeungnam University, Gyeongsan 712-749, Republic of Korea;4. Dipartimento di Chimica Inorganica, Vill. S. Agata, Salita Sperone 31, Università di Messina, 98166 Messina, Italy;5. Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran;1. Department of Physics, University of Pretoria, Hatfield campus, Pretoria 0002, South Africa;2. National Institute for Theoretical Physics, Johannesburg, 2000, South Africa;1. Department of Physics, University of Lucknow, Lucknow 226007, India;2. Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India |
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| Abstract: | Three Co(III) complexes of the type [Co(salophen)(amine)2]ClO4, salophen=N,N′-disalicylidene-1,2-phenylendiamine dianion and amine=morpholine (1), pyrrolidine (2), and piperidine (3), have been synthesized and characterized by elemental analysis, IR, UV–Vis, 1H, and 13C NMR spectroscopy. [Co(salophen)(morpholine)2]ClO4 (1) and [Co(salophen)(pyrrolidine)2]ClO4 (2) have been studied by X-ray diffraction. Compound 1 crystallizes in ribbons of complexes and perchlorates held together by weak NH⋯O and CH⋯O hydrogen bonds between morpholines and perchlorates. The latter also interconnect the chains to a 3D network. Some minor π–π interactions exist. Compound 2 crystallizes as endless chains of complexes linked by weak CH⋯O hydrogen bonds to the disordered perchlorates. The pyrrolidine moiety is turned by 90° with respect to 1 and forms intramolecular NH⋯O hydrogen bonds. The coordination polyhedra of 1 and 2 possess Cs symmetry, and the salophens are not planar in either of them. |
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