Fluxional dynamics of terpyridine ligand in [Ru(bpy-d8)2(η2-tpy)]2+ complex

Authors

  • MA Rahman Department of Chemistry, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh
  • S Rajbangshi Department of Chemistry, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh

DOI:

https://doi.org/10.3329/bjsir.v55i4.50961

Keywords:

Terpyridine; Polypyridyl ligands; Deuteration; Fluxional; Tick-tock twist

Abstract

Herein, we report the fluxional dynamic behaviour of terpyridineligand in [Ru(bpy-d8)(η2-tpy)]2+ 1. Reaction of Ru(bpy-d8)2Cl2·2H2O with 2,2′:6′,2′′-terpyridine in refluxing methanol afforded 1. Complex 1 has been characterized by 1H NMR spectroscopic analysis. Variable temperature 1H NMR data reveals that the pendant pyridine ring of the tpy ligand in Ru(bpy-d8)2(tpy)]2+ rotates which effects the adjacent ring protons. Moreover, protonation of 1 with trifluoroacetic acid (TFA) confirms that peripheral N on the pendant pyridyl ring of the tpy ligand affects the chemical shifts of protons on the tpy pendant pyridyl ring.

Bangladesh J. Sci. Ind. Res.55(4), 253-260, 2020

Downloads

Download data is not yet available.
Abstract
32
PDF
47

Downloads

Published

2020-12-27

How to Cite

Rahman, M., & Rajbangshi, S. (2020). Fluxional dynamics of terpyridine ligand in [Ru(bpy-d8)2(η2-tpy)]2+ complex. Bangladesh Journal of Scientific and Industrial Research, 55(4), 253–260. https://doi.org/10.3329/bjsir.v55i4.50961

Issue

Vol. 55 No. 4 (2020)

Section

Articles

License

Bangladesh Council of Scientific and Industrial Research (BCSIR) holds the copyright to all contents published in Bangladesh Journal of Scientific and Industrial Research (BJSIR). A copyright transfer form should be signed by the author(s) and be returned to BJSIR.

The entire contents of the BJSIR are protected under Bangladesh Council of Scientific and Industrial Research (BCSIR) copyrights.

Creative Commons Licence
BJSIR is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial License (CC BY-NC) Creative Commons Attribution-NonCommercial 4.0 International License which allows others remix, tweak, and build upon the articles non-commercially, and although their new works must also acknowledge and be non-commercial, they don’t have to license their derivative works on the same terms.