Oleg A. Varzatskii,a Sergey V. Shul’ga,a Henryk Kozlowski,b Elzbieta Gumienna-Kontecka,b Łukasz Szyrwiel,b Ekaterina G. Lebed,c and Yan Z. Voloshinc@
Dedicated to Corresponding member of Russian Academy of Sciences Prof. Oscar Koifman on the occasion of his 70th Birthday
aVernadskii Institute of General and Inorganic Chemistry NASU, 03680 Kiev, Ukraine