1. Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, S-106 91 Stockholm, Sweden
2. Mathematics and Physics Department, North China Electric Power University, 102206 Beijing, China
3. Synchrotron SOLEIL, L’Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette Cedex, France
4. College of Physics and Electronics, Shandong Normal University, 250014 Jinan, China
5. CNR-IMIP, Istituto di Metodologie Inorganiche e dei Plasmi, Area della Ricerca di Roma I, Via Salaria km 29.300, 00019 Monterotondo Scalo (RM), Italy
6. Institute for Molecular Science, 444-8585 Okazaki, Japan