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Spectroscopy and Redox Behaviour of Dicopper( II ) and Dinickel( II ) Complexes of Bis(cyclen) and Bis(cyclam) Ligands
Author(s) -
El Ghachtouli Sanae,
Cadiou Cyril,
DéchampsOlivier Isabelle,
Chuburu Françoise,
Aplincourt Michel,
Turcry Véronique,
Le Baccon Michel,
Handel Henri
Publication year - 2005
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200500120
Subject(s) - chemistry , cyclam , cyclen , copper , electrochemistry , electron paramagnetic resonance , redox , metal , crystallography , spectroscopy , stereochemistry , inorganic chemistry , organic chemistry , electrode , nuclear magnetic resonance , physics , quantum mechanics
The dinuclear Cu II and Ni II complexes of meta ‐xylyl and pyridyl biscyclen and biscyclam have been prepared and characterised in solution by means of UV/Visible spectra, electrochemical and EPR studies. X‐ray structures of copper biscyclen complexes have been obtained. The comparison of all the data shows that the potentially coordinating N( py ) pyridyl atom promotes the interaction between the two metal centers, whether it is spontaneously coordinated (biscyclen complexes) or not (biscyclam ones). (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)

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