Question

The following data has been obtrained for the rotation-vibration spectrum of H127I. Determined B0, B1, Be...

The following data has been obtrained for the rotation-vibration spectrum of H127I. Determined B0, B1, Be and αe (alpha) from this data.

Line Frequency (cm-1)
R(0) 2242.6
R(1) 2254.8
P(1) 2217.1
P(2) 2203.8

Homework Answers

Answer #1

In the given data B- rotation costant to be determined.

wavenumber = 2B, v =2B

speed =frequency x wavelength c=   

= c /   wave no = 1 /

1 .v = 0 , R = 0 ,B0 = 0

2 . R = 1 , v = 2B , =c /  = 3 x 108 /2254.8 = .0013 x 108

v = 1 /  = 1 / .0013 x 108 = 10 - 5

B1 = v / 2 = 0.5 x 10-5

3. P = 1 , = 2217.1 , = .0014 x 108 v =714.28 x 10- 8

Be = 357.14 x 10-8

4.6B alpha = v , P =2, B = v /6 B = 714.28 x 10 -8 /6 = 119.04 x 10-8

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