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Citation: Liu Guo-Yue, Sun Wei-Guo, Feng Hao. Potential Energy Function of the Excited States of Some Halogen Diatomic Molecules[J]. Acta Physico-Chimica Sinica, ;2003, 19(04): 293-296. doi: 10.3866/PKU.WHXB20030402 shu

Potential Energy Function of the Excited States of Some Halogen Diatomic Molecules

1.
Institute of Physics, College of Chemical Engineering, College of Physics, Sichuan University, Chengdu　610065; Department of Physics, Mianyang Teacher’s College, Mianyang,　621000

Received Date: 3 July 2002
Available Online: 15 April 2003

Potential energy curves for the excited states of some halogen diatomic molecules have been studied using the energy-consistent method (ECM) .The results of these states,β1g(3P2) and A′(2μ3Π) of Br2,1μ(1D) of I2 and A′(2μ3Π) of Cl2,show that the ECM potential is superior to give correct full range potential to other potentials such as Morse and Huxley-Murrell-Sorbie (HMS) potential, especially for the electronic excited states of the halogen diatomic molecules. It is seen that ECM method is not only successfully applicable for the electronic states of lighter molecules but also for those of heavier molecules.
- Energy consistent method;Potential energy function;Halogen diatomic molecules;Excited states
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