Question 7 The rotation of an ¹H1271 molecule can be pictured as the orbital motion of an H atom at a distance 160 pm from a stationary I atom. (This picture is quite good; to be precise, both atoms -rotate around their common centre of mass, which is very close to the I nucleus.) Suppose that the molecule rotates only in a plane. Calculate the energy needed to excite the molecule into rotation. What, apart from 0, is the minimum angular momentum of the molecule?

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
Chapter3: Atomic Shells And Classical Models Of Chemical Bonding
Section: Chapter Questions
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Question 7
The rotation of an ¹H1271 molecule can be pictured as the orbital motion of an H atom at a
distance 160 pm from a stationary I atom. (This picture is quite good; to be precise, both atoms
rotate around their common centre of mass, which is very close to the I nucleus.) Suppose that
the molecule rotates only in a plane. Calculate the energy needed to excite the molecule into
rotation. What, apart from 0, is the minimum angular momentum of the molecule?
wid
Transcribed Image Text:Question 7 The rotation of an ¹H1271 molecule can be pictured as the orbital motion of an H atom at a distance 160 pm from a stationary I atom. (This picture is quite good; to be precise, both atoms rotate around their common centre of mass, which is very close to the I nucleus.) Suppose that the molecule rotates only in a plane. Calculate the energy needed to excite the molecule into rotation. What, apart from 0, is the minimum angular momentum of the molecule? wid
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