1. Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 2 Okólna, 50-422 Wrocław, Poland
2. Rigaku Europe SE, Hugenottenallee 167, D-63263 Neu Isenburg, Germany
3. University of Wrocław, Faculty of Chemistry, 14 F. Joliot-Curie, 50-383 Wrocław, Poland