**Author details**

Zbigniew Hubicki\* , Monika Wawrzkiewicz, Grzegorz Wójcik, Dorota Kołodyńska and Anna Wołowicz

\*Address all correspondence to: zbigniew.hubicki@poczta.umcs.lublin.pl

Department of Inorganic Chemistry, Faculty of Chemistry, Maria Curie-Sklodowska University, Lublin, Poland
