Structure and Potential Energy Function for the Ground State(X~2Π) of OT,DT
Lai Zhen-jiang
Abstract
Lai Zhen-jiang
Abstract
The equilibrium structure,harmonic frequency and dissociation energy of the ground state of OT,DT are calculated using DFT(B3LYP) method and Quadratic CI method including single,double and triple substitutions(QCISD(T)).Based on the theory of atomic and molecular statics,the reasonable dissociation limit for the ground state(X2Π) of OT,DT is derived.The potential energy curve and relevant optical constants of this state are obtained by least square fitting to Murrell-Sorbie function.All the calculations are in good agreement with the experimental data.
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The equilibrium structure,harmonic frequency and dissociation energy of the ground state of OT,DT are calculated using DFT(B3LYP) method and Quadratic CI method including single,double and triple substitutions(QCISD(T)).Based on the theory of atomic and molecular statics,the reasonable dissociation limit for the ground state(X2Π) of OT,DT is derived.The potential energy curve and relevant optical constants of this state are obtained by least square fitting to Murrell-Sorbie function.All the calculations are in good agreement with the experimental data.
Key concepts: Ground state, Statics, Potential energy, Dissociation (chemistry), Atomic physics, Bond-dissociation energy, Quadratic equation, Chemistry