Vibrational frequency analysis of CH3Cl molecule; ab initio study

Authors

  • Shiba Subedi Central Department of Physics, Tribhuvan University, Kritipur, Kathmandu
  • Jeevan Jyoti Nakarmi Central Department of Physics, Tribhuvan University, Kritipur, Kathmandu

DOI:

https://doi.org/10.3126/hj.v5i0.12902

Keywords:

First-principles calculations, Basis sets, Electron density, HOMO-LUMO energy gap, Vibrational frequencies etc

Abstract

First-principles calculations implemented by Gaussian 09 sets of programs has been performed in order to study the stability, electronic properties, nature of bonding and vibrational frequency assignments for CH3Cl molecule using QCISD levels of approximation with the choice of basis set 6-31G(d, p). Quantum Theory of Atoms In Molecule (QTAIM) approach has been adopted for bonding analysis and HOMO, LUMO energies were taken as the central aspects for discussing the chemical reactivity of the studied system. The vibrational frequency shift due to isotopic substitution of C-atom and Cl-atom in title molecule has been discussed.

The Himalayan Physics

Year 5, Vol. 5, Kartik 2071 (Nov 2014)

Page: 142-145

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Published

2015-07-05

How to Cite

Subedi, S., & Nakarmi, J. J. (2015). Vibrational frequency analysis of CH3Cl molecule; ab initio study. Himalayan Physics, 5, 142–145. https://doi.org/10.3126/hj.v5i0.12902

Issue

Vol. 5 (2014)

Section

Articles