Diborane(4)-metal bonding: between hydrogen bridges and frustrated oxidative addition |
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| Authors: | Wagner Arne Kaifer Elisabeth Himmel Hans-Jörg |
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| Institution: | Anorganisch-Chemisches Institut, Ruprecht-Karls-Universit?t Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany. |
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| Abstract: | 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. |
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