1. Content: - Comparison of CH3 and CH2 KER - KER assignment for the two color experiment dissociation at 270 nm and probing of CH3 at nm (211 transition)

2. 66019 cm-1 ( nm)  
CH3
CH2

3. 66503 cm-1 ( nm)  
CH3
CH2

4. 67275 cm-1 ( nm)
CH3
CH2

5. 68684 cm-1 ( nm)
CH3
CH2

6. 72977 cm-1 ( nm)
CH3
CH2

7. 74249 cm-1 ( nm)
CH3
CH2

8. 75905 cm-1 ( nm)
CH3
CH2

9. 77165 cm-1 ( nm)
CH3
CH2

10. 78370 cm-1 ( nm)
CH3
CH2

11. 79610 cm-1 ( nm)
CH3
CH2

12. Possible explanation for the similarities:
CH2+ + e- + HBr
CH3++ e- + Br/Br*
Angular distribution
determining process:
1hni
1hni (?)
CH3Br#
1hnpd
1hnpd
CH3** + Br/Br*
CH2** + HBr ?
Dissociation
involves
one
bond break:
C-Br
Dissociation
involves
effective „one
bond break“:
C-H and C-Br
broken and
H-Br formed
CH3Br**
2hnr
CH3Br

13. 66019 cm-1 ( nm)  
CH3
CH2

14. 66503 cm-1 ( nm)  
CH3
CH2

15. 67275 cm-1 ( nm)
CH3
CH2

16. 68684 cm-1 ( nm)
CH3
CH2

17. two color experiment – both lasers

18. two color experiment – probe laser only