1. Scientific
and Technical Center on Raman Spectroscopy, A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova
str., Moscow 119991, Russia
2. G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 Tropinina
str., Nizhny Novgorod 603950, Russia
3. Organosilicon
Research Center, University of Wisconsin, Madison, Wisconsin 53706, United States