1. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston,
Illinois 60208, United States
2. Orlik Software, ul. Lniana 22/12, 50-520
Wroclaw, Poland
3. Insitute
of Physics, Wroclaw University of Technology, Wybrzeze Wyspianskiego
27, 50-370 Wroclaw, Poland