a
School of Chemistry, The University of Edinburgh, West Mains Road, Edinburgh, UK
E-mail: ebrechin@staffmail.ed.ac.uk
;
Fax: +44 11–275–4598
;
Tel: +44 131 650 7545
b
Laboratory of Inorganic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis, Greece
c
Department of Chemistry, University of Patras, Patras, Greece
d
National High Magnetic Field Laboratory and Florida State University, Tallahassee, USA
e
Institut Néel, CNRS & Université J. Fourier, BP 166, Grenoble, France