1. Department
of Chemistry, Durham University, South
Road, Durham DH1 3LE, U.K.
2. State Key Laboratory of Crystal
Materials, Shandong University, 27 Shanda
South Road, Jinan, 250100, P. R. China
3. Department of Chemistry, King Abdulaziz University, Jeddah, Kingdom of Saudi
Arabia
4. Département
de chemie, Université Laval, 1045,
avenue de la Médecine,
Pavillon Alexandre-Vachon, Québec, G1V 0A6, Canada