We obtain the Raman spectrum of Cl2 (l) vibration by excitation with radiation from a Hg lamp with a wavelength of 4358.25 Å. In this way we obtain a Stokes line at 4466.5 Å which is very intense. The wave number of the fundamental vibration of the chlorine molecule is 540 cm-1 and the bond force constant is 482 N/m.Calculate the wave number at which the first anti-Stokes line of vibration will appear.Data: h = 6.626x10-34J s; c = 2.998x108 m s-1, NA = 6.022x1023 mol-1; relative atomic mass of Cl = 35.45.

Principles of Instrumental Analysis
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Chapter18: Raman Spectroscopy
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Problem 18.5QAP
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We obtain the Raman spectrum of Cl2 (l) vibration by excitation with radiation from a Hg lamp with a wavelength of 4358.25 Å. In this way we obtain a Stokes line at 4466.5 Å which is very intense. The wave number of the fundamental vibration of the chlorine molecule is 540 cm-1 and the bond force constant is 482 N/m.
Calculate the wave number at which the first anti-Stokes line of vibration will appear.
Data: h = 6.626x10-34J s; c = 2.998x108 m s-1, NA = 6.022x1023 mol-1; relative atomic mass of Cl = 35.45.

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