a
School of Chemistry, Cardiff University, Wales, UK
E-mail: popesj@cardiff.ac.uk
;
Fax: +44 (0)2920874030
;
Tel: +44 (0)2920879316
b
State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, E208 West Campus, 2 Ling-Gong Road, Dalian 116012, P.R. China
c
UK National Crystallographic Service, Chemistry, Faculty of Natural and Environmental Sciences, University of Southampton, Highfield, Southampton, England, UK