The alteration of intra-ligand donor-acceptor interactions through torsional connectivity in substituted Re-dppz complexes

Adams, Bethany and Shillito, Georgina E. and Salm, Holly van der and Horvath, Raphael and Larsen, Christopher B. and Lucas, Nigel T. and George, Michael W. and Gordon, Keith C. (2017) The alteration of intra-ligand donor-acceptor interactions through torsional connectivity in substituted Re-dppz complexes. Inorganic Chemistry, 56 (21). pp. 12967-12977. ISSN 1520-510X

[img] PDF - Repository staff only until 6 October 2018. - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
Download (1MB)

Abstract

The ground and excited properties of a series of [ReCl(CO)3(dppz)] complexes with substituted donor groups have been investigated. Alteration of donor-acceptor communication through modulation of torsional angle and the number and nature of the donor substituent allowed the effects on the photophysical properties to be characterized though both computational and spectroscopic techniques, including TD-DFT, resonance Raman and time resolved infrared. The ground state optical properties show significant variation as a result of donor group modulation, with increased angle between the donor and acceptor blue-shifting and depleting the intensity of the lowest energy transition, which was consistently ILCT in nature. However, across all complexes studied there was minimal perturbation to the excited state properties and dynamics. Three excited states on the picosecond, nanosecond and microsecond time scales were observed in all cases, corresponding to 1ILCT, ππ* and 3ILCT respectively.

Item Type: Article
Additional Information: This material is excerpted from a work that was published in Inorganic Chemistry, copyright American Chemical Society after peer review. To access the final edited and published work see see http://pubs.acs.org/doi/abs/10.1021/acs.inorgchem.7b01710http://pubs.acs.org/page/policy/articlesonrequest/index.html].”
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Chemistry
Identification Number: 10.1021/acs.inorgchem.7b01710
Depositing User: Smith, Ruth
Date Deposited: 07 Dec 2017 08:53
Last Modified: 08 Dec 2017 12:45
URI: http://eprints.nottingham.ac.uk/id/eprint/48548

Actions (Archive Staff Only)

Edit View Edit View