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International Journal of Spectroscopy
Volume 2011 (2011), Article ID 452626, 5 pages
Research Article

Spectroscopic Studies of Distorted Structure Systems in the Vibron Model: Application to Porphyrin and Its Isotopomers

1Department of Electronics and Instrumentation Engineering, Lakireddy Bali Reddy College of Engineering, Krishna District, Mylavaram 523 230, India
2Department of Mathematics, GITAM University, Hyderabad Campus, Hydrabad 502329, India
3Department of Chemistry, P.G. Centre, P.B. Siddhartha College of Arts & Sciences, Vijayawada 520010, India

Received 7 July 2011; Accepted 13 August 2011

Academic Editor: Veronica Vaida

Copyright © 2011 Srinivasa Rao Karumuri et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We have introduced an algebraic technique to biomolecules (porphyrins) family to determine the vibrational spectra. We present an algebraic model of vibrations of polyatomic biomolecules, as an example, the vibrational analysis of stretching modes of nickel octaetheylporphyrin (Ni(OEP)) and its isotopomers. The algebraic technique obtained the results are compared with experimental data; the results are showing good accuracy. Some reassignments of energy levels that predict location of energy states not yet observed.