Affiliation: | a Department of Organic Chemistry, Prague Institute of Chemical Technology, Technická 5, 166 28 Prague 6, Czech Republic b Department of Physical Chemistry, Prague Institute of Chemical Technology, Technická 5, 166 28 Prague 6, Czech Republic c Institute of Inorganic Chemistry of the Academy of Sciences of the Czech Republic, v.v.i., 250 68 ?e?, Czech Republic |