ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
Vibrational levels up to v=107 of the (1)1Πg state of 39K2, which dissociates to K(4s)2S1/2+K(4p)2P3/2, have been observed in high-resolution Fourier transform records of C 1Πu→(1)1Πg fluorescence. From a revised analysis of this system, we have constructed a rotationless Rydberg–Klein–Rees (RKR) potential curve which extends to R=40.3 Å. Vibrational and rotational constants have been calculated from this curve. The parameters describing the Coulombic interactions between K(4s)+K(4p) atoms are given in a Hund's case (c) basis. From this work, the dissociation energy De for the (1)1Πg state is found to be 1290.30±0.02 cm−1, leading to a new value of Te=16 203.25±0.09 cm−1 for this state. © 1998 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.476870
