1. R. M. Ghalib, R. Hashim, S. F. Alshahateet, S. H. Mehdi, O. Sulaiman, V. Murugaiyah, and C. A. Aruldass. J. Mol. Struct., 2011, 1005, 152.
2. G. J. Alexander and N. Chatterjie. Res. Commun. Chem. Pathol. Pharmacol., 1980, 27, 45.
3. (a) M. H. Jamroz. Vibrational Energy Distribution Analysis., VEDA 4 Program. Warsaw., Poland, 2004
4. M. H. Jamroz. Spectrochim. Acta Part A, 2011, 114, 220.
5. A. Frisch, et al. Gaussian., Inc. GaussView Version 5.0.8., 2009.