Reversible five-coordinate ⇄ six-coordinate transformation in cobalt(II) complexes

Xiao, L; Bhadbhade, M; Baker, AT

Reversible five-coordinate ⇄ six-coordinate transformation in cobalt(II) complexes

Xiao, L Bhadbhade, M Baker, AT

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Publication Type:: Journal Article
Citation:: Journal of Molecular Structure, 2018, 1157 pp. 112 - 118
Issue Date:: 2018-04-05

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Field	Value	Language
dc.contributor.author	Xiao, L	en_US
dc.contributor.author	Bhadbhade, M	en_US
dc.contributor.author	Baker, AT https://orcid.org/0000-0001-9700-0178	en_US
dc.date.available	2020-05-25T19:09:28Z
dc.date.issued	2018-04-05	en_US
dc.identifier.citation	Journal of Molecular Structure, 2018, 1157 pp. 112 - 118	en_US
dc.identifier.issn	0022-2860	en_US
dc.identifier.uri	http://hdl.handle.net/10453/130986
dc.description.abstract	© 2017 Elsevier B.V. The heterocyclic ligands 2,6-bis(pyrazol-1-yl)pyridine (L1) and 2,6-bis(benzimidazol-2-yl)pyridine (L2) and their cobalt(II) complexes were synthesized. The blue five-coordinate complex [Co(L1)Cl2] isolated initially from the reaction mixture rapidly absorbed water vapour from the atmosphere to yield the pink six-coordinate complex [Co(L1)(H2O)3]Cl2. This change is reversible upon desiccation or transferring [Co(L1)(H2O)3]Cl2 into acetonitrile. The five coordinate complex [Co(L2)Cl2], however, remains stable under similar conditions. The structures of the complexes [Co(L1)Cl2], [Co(L1)(H2O)3]Cl2 and [Co(L2)Cl2] have been determined by x-ray crystallography. The magnetic susceptibilities and the electronic spectra for [Co(L1)Cl2], [Co(L2)Cl2] and [Co(L1)(H2O)3]Cl2 are presented.	en_US
dc.relation.ispartof	Journal of Molecular Structure	en_US
dc.relation.isbasedon	10.1016/j.molstruc.2017.12.044	en_US
dc.subject.classification	Inorganic & Nuclear Chemistry	en_US
dc.title	Reversible five-coordinate ⇄ six-coordinate transformation in cobalt(II) complexes	en_US
dc.type	Journal Article
utslib.citation.volume	1157	en_US
utslib.for	0306 Physical Chemistry (incl. Structural)	en_US
utslib.for	0307 Theoretical and Computational Chemistry	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Strength - CCET - Centre for Clean Energy Technology
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US
pubs.volume	1157	en_US

Abstract:

© 2017 Elsevier B.V. The heterocyclic ligands 2,6-bis(pyrazol-1-yl)pyridine (L1) and 2,6-bis(benzimidazol-2-yl)pyridine (L2) and their cobalt(II) complexes were synthesized. The blue five-coordinate complex [Co(L1)Cl2] isolated initially from the reaction mixture rapidly absorbed water vapour from the atmosphere to yield the pink six-coordinate complex [Co(L1)(H2O)3]Cl2. This change is reversible upon desiccation or transferring [Co(L1)(H2O)3]Cl2 into acetonitrile. The five coordinate complex [Co(L2)Cl2], however, remains stable under similar conditions. The structures of the complexes [Co(L1)Cl2], [Co(L1)(H2O)3]Cl2 and [Co(L2)Cl2] have been determined by x-ray crystallography. The magnetic susceptibilities and the electronic spectra for [Co(L1)Cl2], [Co(L2)Cl2] and [Co(L1)(H2O)3]Cl2 are presented.

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http://hdl.handle.net/10453/130986