Linear trimers of diruthenium linked by polyyndiyl or phenylenediethynyl bridges: A family of unique electronic wires

Autor:	Charles F. Campana, Jing-Lin Zuo, Tong Ren, Jie-Wen Ying, Zhi Cao, Sarah F. Tyler, You Song
Rok vydání:	2015
Předmět:	Inorganic Chemistry Polyyne Crystallography Delocalized electron Chemistry Magnetism Materials Chemistry Spin transition Intermetallic Molecule Physical and Theoretical Chemistry Spectroscopy Single crystal
Zdroj:	Polyhedron. 86:76-80
ISSN:	0277-5387
DOI:	10.1016/j.poly.2014.05.015
Popis:	A new family of wire-like molecules with butadiyndiyl (1a/b), hexadiyndiyl (2) and phenylenediethynyl (3) bridges linking three diruthenium units have been prepared. The single crystal X-ray diffraction study of 1a revealed structural details of the trimeric compounds, including a distance of 18 A between two Ru2 termini. Both the voltammetric and spectroscopic data point to an extensive electronic delocalization in trimers 1 and 2, and the lack of delocalization in 3, demonstrating the advantage of linear polyyndiyl in mediating intermetallic electronic couplings. Magnetic studies of compound 1a reveal that a spin transition may occur as the temperature increases from 1.8 to 300 K.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7ac3d3d84587b30d1b2f18e49d90146f https://doi.org/10.1016/j.poly.2014.05.015 Zobrazit plný text záznamu Full Text from ScienceDirect