1. Group Theory of Polymers and Soft Matter Department of Applied Physics Technische Universiteit Eindhoven Eindhoven MB 5600 The Netherlands
2. Department of Chemistry and Center for Energy Science Indian Institute of Science Education and Research Dr. Homi Bhabha Road, Pashan Pune Maharashtra 411008 India
3. Center for Computational Energy Research Department of Applied Physics Technische Universiteit Eindhoven Eindhoven MB 5600 The Netherlands