https://doi.org/10.15255/KUI.2005.008
Published: Kem. Ind. 55 (4) (2006) 167–174
Paper reference number: KUI-08/2005
Paper type: Review
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Hydrogen Bonds Involving Metal Centers

N. Raos and G. Pavlović

Abstract

Hydrogen bonds involving metal center as a hydrogen donor or hydrogen acceptor are only a specific type of metal-hydrogen interactions; it is therefore not easy to differentiate hydrogen bond from other metal-hydrogen interactions, especially agostic ones. The first part of the review is therefore devoted to the results of structural chemistry and molecular spectroscopy (NMR, IR), as a tool for differentiating hydrogen bondings from other hydrogen interactions. The classical examples of Pt···H–N, Pt···H–O, Pt···H–C, and Pd···H–N hydrogen bonds were discussed as well as hydrogen bonds involving half-sandwich complexes (η5-C5R5)ML2, where M stays for Co, Ir or Rh, R for H or CH3, and L for CO, PMe3 or C2H4. The paper deals also with metal donating (M–H···A) and bifurcated hydrogen bonds. The hydrogen interactions in complexes of other heavy metals (Ni, Cu, Ag, Os) were also briefly discussed.

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Keywords

half-sandwich complexes, 3 center interactions, platinum complexes