INTERACTION POTENTIALS FOR Br({sup 2}P) + Ar, Kr, Xe ({sup 1}S) BY THE CROSSED MOLECULAR BEAMS METHOD
Angular distributions of Br( {sup 2}P{sub 3/2 , 1/2} ) scattered off Ar, Kr, and Xe ({sup 1}S{sub 0}) in the thermal energy range were measured in crossed molecular beams experiments. Interaction potentials for the x1/2 and I3/2 states are derived by using an approximate elastic scattering analysis, which neglects interstate coupling, as previously done for F-Xe,Kr,Ar,Ne and CI-Xe. While the Br-Xe X1/2 potential ({epsilon} = 0.645 kcal/mole, r{sub m} = 3.80 {Angstrom}) shows a stronger interaction than the interaction potential of Kr-Xe, the Br-Kr ({epsilon} = 0.460 kcal/mole, r{sub m} = 3.90 {Angstrom}) and Br-Ar ({epsilon} = 0.380 kcal/mole, r{sub m} = 3.73 {Angstrom}) X1/2 potentials are closer to those of the corresponding rare gas pairs. The I3/2 potential for all three systems is found to have a shallower {epsilon}, a slightly larger r{sub m} and a more repulsive wall than the {sup 1}{Sigma}{sup +} potential of the corresponding rare gas pair. The origin of these interactions is discussed and an attempt to examine the rare gas halides ground state bonding is presented.
- Research Organization:
- Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US)
- Sponsoring Organization:
- Materials Sciences Division
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1133671
- Report Number(s):
- LBL-11907
- Journal Information:
- Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 2 Vol. 75; ISSN 0021-9606
- Country of Publication:
- United States
- Language:
- English
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