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Substituent effects in homoleptic iron(II) and ruthenium(II) complexes of 4 '-hydrazone derivatives of 2,2 ':6 ',2 ''-terpyridine

Beves, Jonathon E. and Constable, Edwin C. and Housecroft, Catherine E. and Neuburger, Markus and Schaffner, Silvia and Zampese, Jennifer A.. (2009) Substituent effects in homoleptic iron(II) and ruthenium(II) complexes of 4 '-hydrazone derivatives of 2,2 ':6 ',2 ''-terpyridine. Polyhedron, 28 (17). pp. 3828-3838.

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Official URL: http://edoc.unibas.ch/dok/A5259907

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Abstract

The synthesis and characterization of eight homoleptic iron(II) and ruthenium(II) complexes containing 4'-hydrazone-substituted 2,2':6',2 ''-terpyridine ligands are described. H-1 NMR spectroscopic data illustrate that the coordinated ligands undergo facile rotation about the C-Pyridine-N-hydrazone bond when the N atom is methylated, and hindered bond rotation when the hydrazone NH unit is available for hydrogen bonding to solvent molecules. Detailed structural studies illustrate how the flexibility of the backbone of the complexes leads to significant variation in packing. Throughout the series of solid structures, the packing is dictated by a combination of face-to-face aromatic pi-stacking, edge-to-face aromatic interactions and classical and non-classical hydrogen bonding. (C) 2009 Elsevier Ltd. All rights reserved.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Constable)
UniBasel Contributors:Constable, Edwin Charles
Item Type:Article, refereed
Publisher:Elsevier
ISSN:0277-5387
e-ISSN:1873-3719
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:08 May 2017 08:58
Deposited On:22 Mar 2012 14:07

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