Spectroscopic Evaluation of Thermodynamic Parameters for Aluminum Based Diatomic Gas Molecules

Authors : B Viswanathan, R Shanmugavel, P SRİRAMACHANDRAN

Pages : 27-32

Doi:10.5541/ijot.76993

View : 12 | Download : 9

Publication Date : 2014-02-01

Article Type : Research Paper

Abstract :On account of the high accuracy with which spectroscopic data are obtained, thermodynamic parameters estimated from these data are more reliable than those obtained by direct thermal measurements. Spectroscopic data of aluminum based diatomic gas molecules insert ignore into journalissuearticles values(AlO, AlH, AlD, AlF, AlC); and partition function theory have been used to evaluate the thermodynamical parameters in the temperature range 100 – 3000 K. Equilibrium constants for astrophysically important chemical process have been calculated using partition function theory. It is noticed that for AlC the heat capacity decreases exponentially after the critical temperature 1200 K.
Keywords : Diatomic Molecule Partition Function Entropy Equilibrium Constant