The (K+4)th-Order Formula for K-Type Doubling Energy of Molecules

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概要

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• The K-type doubling energy of a slightly asymmetric top molecule is expanded in powers of the asymmetry parameter b_p to the order of b_p^<K+4>. The (K+4)th-order doubling energy for the general values of J and K, calculated from the (K+4)th-order perturbation energy of an asymmetric rotor, is expressed in the form ΔW^<(K+4)> = ΔW_0b_p^4{D_1 + D_2J(J+1) + D_3J^2(J+1)^2 + D_4J^3(J+1)^3 + D_5J^4(J+)^4}, where ΔW_0 is the Wang's K-th order doubling energy and D_i's are the functions of K. Though the (K+4)th-order term increases rapidly with J, it gives correction of less than 1kHz for the observed lines (K_<-1>≦≤5) of H_2CO and HCOOH in the frequency region below 30MHz.

• 社団法人日本物理学会の論文
• 1967-11-05

著者

• Takami Michio

  Microwave Physics Laboratory Institute Of Physical And Chemical Research

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• Infrared-Microwave Double Resonance in H_2CO witha a Zeeman-Tuned 3.5μm He-Xe Laser
• Double Resonance of the 3.5 μm He-Xe Laser Radiation and Millimeter Waves in H_2CO
• The (K+4)th-Order Formula for K-Type Doubling Energy of Molecules
• $K$-Type Doubling Lines of H2CO and HCOOH in the HF Region

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