The KRb (2)1Π electronic state
作者： C Amiot , J Vergès , C Effantin , J d'Incan
DOI: 10.1016/S0009-2614(00)00262-1
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摘要: Abstract High-resolution spectra of the (3) 1 Π →(2) system KRb molecule, obtained after excitation with fixed Ar+ laser frequencies, were recorded on a Connes-type Fourier transform interferometer. Our spectral observations led to reassignment by 6 quanta vibrational numbering for (2) state reported Kasahara et al. [J. Chem. Phys. 111 (1999) 8857]. Molecular constants first 19 levels are determined mixing present work results and those The potential energy curve is derived. main spectroscopic this highly perturbed electronic 39 K 85 Rb isotopic species are: Te=15 902.06 (0.18) cm−1; ωe=49.76 (0.17) Be=0.02438 (5) Re=5.088 A; De=1358.19 (0.80) cm−1.
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