1. Center
for Layered Polymeric Systems (CLiPS) and Department of Macromolecular
Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106-7202, United States
2. Department
of Polymer Science and Engineering, School of Chemistry and Chemical
Engineering, Hefei University of Technology, Hefei 230009, P. R. China
3. Institut
für Theoretische Physik II, Weiche Materie, Heinrich-Heine Universität, Düsseldorf,, Universitätsstrasse 1, 40225 Düsseldorf, Germany
4. Theoretical
Department, Joint Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13/19, 117419 Moscow, Russia
5. Department
of Chemistry, Le Moyne College, Syracuse, New York 13214, United States
6. Agiltron, Inc., 15 Presidential Way, Woburn, Massachusetts 01801, United States