[Rh(7)(PiPr(3))(6)H(18)][BAr(F) (4)](2): a molecular Rh(111) surface decorated with 18 hydrogen atoms.
- Heptarhodium wagon wheel [Rh7(PiPr3) 6H18][BArF4]2 (shown), which resembles a planar Rh(111) surface with 18 hydride ligands, was obtained together with [Rh8(PiPr3)6H16] [BArF4]2 from the reaction of [Rh(PiPr 3)2(nbd)][BArF4] and [Rh(nbd) 2][BArF4] with hydrogen (ArF = C6H3(CF3)2, nbd = norbornadiene). Some of the H ligands are located in threefold hollows between Rh centers and thus mimic the orientation of atomic hydrogen adsorbed on Rh(111). (Figure Presented). © 2007 Wiley-VCH Verlag GmbH and Co. KGaA.
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