Consider HCN, which has three features in its IR spectrum: 946, 2380, and -1 3386 cm¹. (a) Sketch the motions of each normal mode and denote any degeneracies. (b) Assign each feature in the IR spectrum to a normal mode of the molecule. (c) Determine the zero-point energy of HCN.

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Chapter1: Chemical Foundations
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Consider HCN, which has three
features in its IR spectrum: 946, 2380, and
-1
3386 cm¹. (a) Sketch the motions of each
normal mode and denote any degeneracies. (b)
Assign each feature in the IR spectrum to a
normal mode of the molecule. (c) Determine
the zero-point energy of HCN.
Transcribed Image Text:Consider HCN, which has three features in its IR spectrum: 946, 2380, and -1 3386 cm¹. (a) Sketch the motions of each normal mode and denote any degeneracies. (b) Assign each feature in the IR spectrum to a normal mode of the molecule. (c) Determine the zero-point energy of HCN.
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