Tuning structural topologies of two coordination polymers via alter N-donor auxiliary ligand |
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| Affiliation: | 1. Department of Nuclear Engineering, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan;2. Department of Physics and Research Center OPTIMAS, University of Kaiserslautern, D-67663 Kaiserslautern, Germany;3. Quantum Science and Engineering Center, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan;4. CREST, Japan Science and Technology Agency (JST), Chiyoda, Tokyo 102-0075, Japan;1. Matière et Systèmes Complexes, UMR 7057, Université Paris 7 Diderot & CNRS, Paris, France;2. Department of Physics-UFR 925, UPMC Université Paris 6, Paris, France;3. Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia, Bulgaria;1. Department of Morphology and Pathology, UFSCar, São Carlos, SP, Brazil;2. Department of Surgery and Anatomy, USP, Ribeirão Preto, SP, Brazil;3. Department of Anatomy, IBB/UNESP, Botucatu, SP, Brazil;1. Coordinación de Trasplantes, Hospital Universitario Virgen del Rocío, Sevilla, Spain;2. Servicio de Medicina Intensiva, Hospital Universitario Joan XXIII, Tarragona, Spain;3. Servicio de Medicina Intensiva, Hospital Universitario Virgen del Rocío, Sevilla, Spain;4. Coordinación de Trasplantes, Hospital Universitario Virgen del Rocío, Sevilla, Spain;5. IBIS/CSIC/Universidad de Sevilla, Spain;1. Department of Medicine, University of Alberta, Edmonton, Alberta, Canada;2. Lung Transplant Program, University of Alberta, Edmonton, Alberta, Canada;3. Division of Respirology, University of Alberta, Edmonton, Alberta, Canada;4. Department of Pathology, University of Alberta, Edmonton, Alberta, Canada;5. Department of Cardiothoracic Surgery, University of Alberta, Edmonton, Alberta, Canada |
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| Abstract: | Based on the N-donor auxiliary ligand effect, two new Ni(II) coordination polymers Ni2(HL)2(bpe)2] (1) and Ni(HL)(bipy)(H2O)2] (2) H3L = 2-(4′-carboxyphenyl)terephthalic acid; bpe = 1,2-bis(4-pyridyl)ethane; bipy = 4,4′-bipyridine] have been successfully synthesized and characterized by single-crystal X-ray diffraction study, elemental analysis, IR spectra, TGA and powder X-ray diffraction (PXRD). This work presents a comparative study on the tuning of structural topologies by using two N-donor ligands with different lengths as auxiliary ligands. The structural determination reveals that complex 1, incorporating bpe ligands, features a three-dimensional (3D) 4-connected 4-fold dia interpenetrating architecture with the point symbol of 66, while 2, containing bipy ligands, exhibits a two-dimensional (2D) sql layer structure with a 4-connected (44·62) topology. Moreover, the magnetic properties for 1 and 2 were also measured and compared on account of their different structures. |
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