A Comparative Study of a Triphenylene Tricarbonyl Chromium Complex and Its 
Uncoordinated Arene Ligand on the Ag(111) Surface: Influence of the 
Complexation on the Adsorption

Schmitz, Christoph H.; Rang, Carola; Bai, Yun; Kossev, Iordan; Ikonomov, Julian; Su, Yang; Kotsis, Konstantinos; Soubatch, Serguei; Neucheva, Olga; Tautz, F. Stefan; Neese, Frank; Steinrück, Hans-Peter; Gottfried, J. Michael; Dötz, Karl Heinz; Sokolowski, Moritz

doi:10.1021/jp810788n

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A Comparative Study of a Triphenylene Tricarbonyl Chromium Complex and Its Uncoordinated Arene Ligand on the Ag(111) Surface: Influence of the Complexation on the Adsorption

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Citation

Schmitz, C. H., Rang, C., Bai, Y., Kossev, I., Ikonomov, J., Su, Y., et al. (2009). A Comparative Study of a Triphenylene Tricarbonyl Chromium Complex and Its Uncoordinated Arene Ligand on the Ag(111) Surface: Influence of the Complexation on the Adsorption. The Journal of Physical Chemistry C, 113(15), 6014-6021. doi:10.1021/jp810788n.

Cite as: https://hdl.handle.net/21.11116/0000-0008-3375-B

Abstract

An aromatic triphenylene molecule (2,3-diethyl-1,4-dimethoxytriphenylene; TPH) and its regioselectively Cr(CO)3-labeled complex (η⁶-(1,2,3,4,4a,12b)-tricarbonyl(2,3-diethyl-1,4-dimethoxytriphenylene)chromium(0); α-TPHC) were deposited on a Ag(111) surface by vapor deposition. The monolayers were investigated by X-ray photoelectron spectroscopy and scanning tunneling microscopy. Both substances adsorb with the extended π-system parallel to the surface and form long-range ordered monolayers. The Cr(CO)₃ group of the α-TPHC complex is oriented toward the vacuum. Although the footprints of both substances are similar, the additional Cr(CO)₃ group on the α-TPHC leads to a lateral order (unit cell) that is significantly different from that of TPH.