**Acknowledgements**

Dr. Sc. V. I. Laptev is very grateful to Bokii G. B. and Urusov V. S. and for their interest in this study, useful remarks, discussions, and help, as well as to D. Yu. Pushcharowsky and collea‐ gues from the department of crystal chemistry and crystallography of Lomonosov Moscow State University and to colleagues from the department of general and inorganic chemistry of D. Mendeleev University of chemical technology, Russian Federation.

Dr. H. Khlyap is very grateful to her unforgettable teacher Dr. M. G. Andrukhiv and supervisor Dr. L. V. Bochkariova for their interest in studies, fruitful discussions and help.
