question 2:  a. The first three transitions in the pure rotational spectrum of 12C16O occur at 3.8026, 7.7252, 11.5878. cm-1. Calculate the rotational constant. b. Calculate the bond length for the molecule in part a. c. What would be the energy of the first peak of the molecule were changed to 13C16O? Assume the bond length does not change from what was calculated in the previous question.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter20: Molecular Spectroscopy And Photochemistry
Section: Chapter Questions
Problem 51AP
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question 2: 

a. The first three transitions in the pure rotational spectrum of 12C16O occur at 3.8026, 7.7252, 11.5878. cm-1. Calculate the rotational constant.

b. Calculate the bond length for the molecule in part a.

c. What would be the energy of the first peak of the molecule were changed to 13C16O? Assume the bond length does not change from what was calculated in the previous question. 

 
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