Centrifugal distortion in ArHCl
作者： Stewart E. Novick , Kenneth C. Janda , Stephen L. Holmgren , Marvin Waldman , William Klemperer
DOI: 10.1063/1.433174
关键词: Constant (mathematics) 、 Quantum mechanics 、 Harmonic 、 Wave function 、 Molecular vibration 、 Standard deviation 、 Distortion 、 Surface (mathematics) 、 Amplitude 、 Physics 、 Atomic physics
摘要: Measurements of centrifugal distortion constants for four isotopic species the weakly bound, wide amplitude bender ArHCl are reported. Their relationship to an effective radial potential and associated vibrational wavefunction is discussed. Although stretching frequency resulting force constant do not have a straight forward nonharmonic, angle averaged potential, interpretation in terms standard deviation—or width—of proposed. It shown that harmonic approximation deviation accurately reflects realistic complicated surface. The derived as follows: D0(kHz) ω (cm−1) k (mdyn/A) σ= (〈R2〉−〈R〉2)1/2(A) ArH35Cl 20.0(4) 32.4 0.0117 0.166 ArH37Cl 19.0(4) 31.9 0.0114 0.165 ArD35Cl 17.1(4) 34.4 0.0134 0.160 ArD37Cl 16.4(4) 33.7 0.0132 0.159.
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