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Updated: Jul 16, 2026

Synthesis of a Water-soluble Metal–Organic Complex Array
Published on: October 8, 2016
Structure of adsorbed organometallic rhodium: model single atom catalysts
R A Bennett1, N D McCavish, M Basham
1Department of Physics, University of Reading, Whiteknights, Reading, RG6 6AF, United Kingdom.
Abstract:
We have determined the structure of a complex rhodium carbonyl chloride [Rh(CO)2Cl] molecule adsorbed on the TiO2(110) surface by the normal incidence x-ray standing wave technique. The data show that the technique is applicable to reducible oxide systems and that the dominant adsorbed species is undissociated with Rh binding atop bridging oxygen and to the Cl found close to the fivefold coordinated Ti ions in the surface. A minority geminal dicarbonyl species, where Rh-Cl bond scission has occurred, is found bridging the bridging oxygen ions forming a high-symmetry site.
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