Synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged Cu(II) complexes

Two new dinuclear μ-CO32-Cu(II) complexes with different coordination modes for the carbonato bridge have been obtained by fixation of atmospheric CO2and also directly prepared from the carbonate salt. The compounds comprise: [Cu2(μ-CO3)(dpyam)4](ClO4)2(H2O)4(1), and [Cu2(μ-CO3)2(dpyam)2](H2O) (2),...

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Main Authors: Sujittra Youngme, Narongsak Chaichit, Palangpon Kongsaeree, Gerard A. Van Albada, Jan Reedijk
Other Authors: Khon Kaen University
Format: Article
Published: 2018
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Online Access:https://repository.li.mahidol.ac.th/handle/123456789/26498
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spelling th-mahidol.264982018-09-07T16:43:06Z Synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged Cu(II) complexes Sujittra Youngme Narongsak Chaichit Palangpon Kongsaeree Gerard A. Van Albada Jan Reedijk Khon Kaen University Thammasat University Mahidol University Gorlaeus Laboratories Chemistry Materials Science Two new dinuclear μ-CO32-Cu(II) complexes with different coordination modes for the carbonato bridge have been obtained by fixation of atmospheric CO2and also directly prepared from the carbonate salt. The compounds comprise: [Cu2(μ-CO3)(dpyam)4](ClO4)2(H2O)4(1), and [Cu2(μ-CO3)2(dpyam)2](H2O) (2), (in which dpyam = di-2-pyridylamine). For 1, the carbonate ligand acts as a bridge between two Cu(II) centres showing an anti-anti (μ-η1-η1-CO32-) coordination mode with a distorted square-based pyramidal geometry for each Cu(II) environment. Complex 2 involves the di-μ-CO32-bridge with a novel tridentate μ-η1-η2-CO32-coordination mode. The geometry around each copper atom is distorted square-based pyramidal. Susceptibility measurements for both complexes show a weak to moderately strong antiferromagnetic coupling with J values of -90.4 and -9.9 cm-1for 1 and 2, respectively. The tridentate co-ordination mode of the carbonate bridge in 2 has not previously been reported for dinuclear Cu(II) complexes. Also its magnetic behaviour and superexchange pathway are discussed. © 2001 Elsevier Science B.V. All rights reserved. 2018-09-07T09:39:31Z 2018-09-07T09:39:31Z 2001-11-12 Article Inorganica Chimica Acta. Vol.324, No.1-2 (2001), 232-240 10.1016/S0020-1693(01)00610-7 00201693 2-s2.0-0035851632 https://repository.li.mahidol.ac.th/handle/123456789/26498 Mahidol University SCOPUS https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0035851632&origin=inward
institution Mahidol University
building Mahidol University Library
continent Asia
country Thailand
Thailand
content_provider Mahidol University Library
collection Mahidol University Institutional Repository
topic Chemistry
Materials Science
spellingShingle Chemistry
Materials Science
Sujittra Youngme
Narongsak Chaichit
Palangpon Kongsaeree
Gerard A. Van Albada
Jan Reedijk
Synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged Cu(II) complexes
description Two new dinuclear μ-CO32-Cu(II) complexes with different coordination modes for the carbonato bridge have been obtained by fixation of atmospheric CO2and also directly prepared from the carbonate salt. The compounds comprise: [Cu2(μ-CO3)(dpyam)4](ClO4)2(H2O)4(1), and [Cu2(μ-CO3)2(dpyam)2](H2O) (2), (in which dpyam = di-2-pyridylamine). For 1, the carbonate ligand acts as a bridge between two Cu(II) centres showing an anti-anti (μ-η1-η1-CO32-) coordination mode with a distorted square-based pyramidal geometry for each Cu(II) environment. Complex 2 involves the di-μ-CO32-bridge with a novel tridentate μ-η1-η2-CO32-coordination mode. The geometry around each copper atom is distorted square-based pyramidal. Susceptibility measurements for both complexes show a weak to moderately strong antiferromagnetic coupling with J values of -90.4 and -9.9 cm-1for 1 and 2, respectively. The tridentate co-ordination mode of the carbonate bridge in 2 has not previously been reported for dinuclear Cu(II) complexes. Also its magnetic behaviour and superexchange pathway are discussed. © 2001 Elsevier Science B.V. All rights reserved.
author2 Khon Kaen University
author_facet Khon Kaen University
Sujittra Youngme
Narongsak Chaichit
Palangpon Kongsaeree
Gerard A. Van Albada
Jan Reedijk
format Article
author Sujittra Youngme
Narongsak Chaichit
Palangpon Kongsaeree
Gerard A. Van Albada
Jan Reedijk
author_sort Sujittra Youngme
title Synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged Cu(II) complexes
title_short Synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged Cu(II) complexes
title_full Synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged Cu(II) complexes
title_fullStr Synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged Cu(II) complexes
title_full_unstemmed Synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged Cu(II) complexes
title_sort synthesis, structure, spectroscopy, and magnetism of two new dinuclear carbonato-bridged cu(ii) complexes
publishDate 2018
url https://repository.li.mahidol.ac.th/handle/123456789/26498
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