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The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
Unraveling the molecular conformations of a single ruthenium complex adsorbed on the Ag(111) surface by calculations
Youness Benjalal1, Jacques Bonvoisin, Xavier Bouju
1Université Sultan Moulay Slimane, Faculté polydisciplinaire, Département de chimie, Béni Mellal, Morocco. y.benjalal@usms.ma.
Abstract:
The tris(dibenzoylmethanato)ruthenium (Ru(dbm)3) molecule has recently been characterized by scanning tunneling microscopy (STM) experiments upon adsorption on Ag(111). The adsorbed Ru(dbm)3 molecule shows two conformations with respect to the [11[combining macron]0] direction of the substrate, one with a three-lobed feature and the other one with a bi-lobed structure. For each of these structures, the molecule can take two geometries (states). Molecular mechanics calculations in a semi-empirical framework and STM calculated images reveal that these states on the substrate originate from the enantiomer of the Ru(dbm)3 molecule in the case of three-lobed structure and from the rotation of the two phenyls in the top dbm moities for the bi-lobed form.
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