International Journal of Advanced and Applied Sciences
Int. j. adv. appl. sci.
EISSN: 2313-3724
Print ISSN: 2313-626X
Volume 3, Issue 10 (October 2016), Pages: 37-42
Title: Electrochemical analysis of ruthenium nitrosyl complexes of the ethylenediaminetetraacetic acid ligand
Author(s): Maria Distressa R. Genita *, Joel H. Jorolan
Affiliation(s):
Mindanao State University-Iligan Institute of Technology, Iligan, Philippines
https://doi.org/10.21833/ijaas.2016.10.007
Abstract:
Ruthenium nitrosyl complex has been studied recently for its potential as NO donor. However, much of its chemistry is not yet well understood. Synthesis and spectroscopic characterization of the [Ru(Hedta)Cl]K and [Ru(Hedta)NO] complex were conducted. The complex [Ru(Hedta)NO] was prepared from the simple reaction of [Ru(Hedta)(H2O)] with NO gas in acid solution. Characterization of the complex was done using UV-vis spectrophotometer through scanning method. The ruthenium complexes were investigated using FT-IR spectroscopy. The v(N-O) for the [Ru(Hedta)NO] complex absorbs at 1884 cm-1. The absence of the countercations suggest that the edta ligand was monoprotonated which was confirmed at vCOOH = 1716 cm-1. The electrochemical property of [Ru(Hedta)NO]was conducted in aqueous and nonaqueous solvent. The complex undergoes electrochemically reversible one-electron reduction at Ep,c = −203mV, followed by a second multi-electron reduction, which is irreversible. The reversibility of the first one-electron process suggests greater stability of [Ru(Hedta)NO]– complex than previously reported, which could decrease its ability to release NO.
© 2016 The Authors. Published by IASE.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords: Nitric oxide, Ruthenium nitrosyl complex, NO donors
Article History: Received 14 August 2016, Received in revised form 7 October 2016, Accepted 12 October 2016
Digital Object Identifier: https://doi.org/10.21833/ijaas.2016.10.007
Citation:
Genita MDR and Jorolan JH (2016). Electrochemical analysis of ruthenium nitrosyl complexes of the ethylenediaminetetraacetic acid ligand. International Journal of Advanced and Applied Sciences, 3(10): 37-42
http://www.science-gate.com/IJAAS/V3I10/Ahing.html
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