1. Technische Universität München, James-Franck-Str. 1, 85747 Garching, Germany
2. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prosp. 29, 119991 Moscow, Russia
3. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky Prosp. 31, 119071 Moscow, Russia
4. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences, Leninsky Prosp. 59, 119333 Moscow, Russia
5. Department of Mathematics, University of Strathclyde, Glasgow G1 1XH, Scotland, United Kingdom