Diborane(4)-metal bonding: between hydrogen bridges and frustrated oxidative addition

Diborane(4)-metal bonding: between hydrogen bridges and frustrated oxidative addition

The metal complexes [M{HB(hpp)}(2)(CO)(4)] (M = Cr, Mo or W) and [M(cod){HB(hpp)}(2)Cl] (M = Rh or Ir) of the doubly-base stabilized diborane(4) ligand [HB(hpp)](2) were fully characterized and their bonding nature was investigated in detail. While bonding in the group 6 complexes predominantly occu...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2012-05, Vol.48 (43), p.5277-5279
Hauptverfasser: Wagner, Arne, Kaifer, Elisabeth, Himmel, Hans-Jörg
Format: Artikel
Sprache:eng
Schlagworte:
Bonding
Bridges (structures)
Chromium
Hydrogen atoms
Iridium
Ligands
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Zusammenfassung:The metal complexes [M{HB(hpp)}(2)(CO)(4)] (M = Cr, Mo or W) and [M(cod){HB(hpp)}(2)Cl] (M = Rh or Ir) of the doubly-base stabilized diborane(4) ligand [HB(hpp)](2) were fully characterized and their bonding nature was investigated in detail. While bonding in the group 6 complexes predominantly occurs through the hydrogen atoms, the metal-ligand interaction in the group 9 complexes can be regarded as an early stage oxidative addition of the boron-boron bond leading to diboryl compounds.
ISSN:1359-7345
1364-548X
DOI:10.1039/c2cc31671d