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1 Polish Journal of Chemistry

1 2003

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Spectral Features of Unconventional Hydrogen Bonds and Proton Transfer to Transition Metal Hydrides

Epstein L., Belkova N. V., Gutsul E. I., Shubina E. S.

Polish Journal of Chemistry

2003

Vol. 77 / nr 11

1371-1383

The spectral (low temperature IR, NMR, UV-Vis) changes accompanying the formation of the new unconventional hydrogen bonds (HB): to a metal atom and to a hydride ligand of transition metal hydrides, and allowing to distinguish the different ways of proton transfer via these types of H-bonds are summarized. The spectral and theoretical results show, that HB of the first type (M…HX)and of the second (MH…HX) type induce proton transfer respectively to the metal atom and to the hydride ligand, producing classical and nonclassical cationic hydrides. The spectral evidence of ion pairs formation stabilized by HB with anions is presented.