Calculation of Vibrational - Rotational Energies for Four Hydrogen Halides HF, HCl, HBr and HI


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Abstract


The calculations were based on the basis of multilevel model taking into account the non-equilibrium population of the rotational levels. The computational investigation has been performed by using MATLAB computer model. In calculation the effect of the variation of these energies as a function of the rotational quantum number at different vibrational state can be determined from different figures. The results show that the changes in energies for HF and HCl at higher values than for HBr and HI. These trends are explained by considering the values of the rotational molecular constant. For all molecules the rotational-vibrational energies tend to increase with increasing J. note that each hydrogen halide (HF, HCl, HBr, and HI) has a significant dipole moment. Moreover, the dipole moments increase as one move up the periodic table in halogen group.
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Keywords


Hydrogen Halides; Vibrational- Rotational Energy; Molecular Spectroscopy

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References


INTERNET,Chemistry 2302,"The Infrared Vibrational- Rotational Spectra of HCl and DCl.",2011.

Pospieszczyk, A.,"Spectroscopy",Trans. Fusion Scien. Techn, 53,2008, 417-424.

Igoshin,V. I., and Pichugin,S. Yu.," Theoretical Simulation of Lasers utilizing Vibrational – Rotational Transitions in Diatomic Molecules allowing for Anharmonicity and Rotational Equilibrium, Sov. J. Quantum Electro, 22, 1992, 337-340.

Deutsch, T. F., Molecular Laser Action in Hydrogen and Deuterium Halides, Appl. Phys. Lett.,10,(1967),234-236.

Park, J. S. and Back, S. W., Effects of pressure ratio on population inversion in DF chemical laser with lasing, J. Quant. Spect. Radia. Trans., 92.,(2005),31-49.

Das, P., Laser and Optiucal Engineering", (Springer Verlag, 1991).

Palekar, A.,"Hydrodynamics Inside a Chemical Laser, Internet ,2004, 1-15.

Atkins,P.W.,"Physical Chemistry", 6th ed., Chap.12 and pp.913-914, Freeman, New York,1998.

Internet,Experiment 446.6, "Vibration- Rotation Spectroscopy of Diatomic Molecules", 2009, Version of May,.

Shenyavskaya E. A., Yungman V. S.," NIST – JANAF Thermochemical Tables, Diatomic Hydrogen Halide Gases, J.Phys.Chem.Ref. Data, 33, 2004, (3).

University of Florida – Department of Physics PHY4083L – Advancfd Physics Laboratory,)," Rotation Vibration Spectrum of the HCl Molecule, 2008.

Shocmaker,D.P., Garland,C.W., and Nibler, J.W., "Experiment in Physical Chemistry. 5th ed., 1989, MacGraw Hill, New York.

Noggle, J. H., "Physical Chemistry", 3rd Edition,1996, Addison-Wesley-Longmans.


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