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Unformatted text preview: the wavelength of the absorbed photons,
the reduced mass, and the force constant.
With ̃ ̃
̃
. , the vibration frequency is
The photon wavelength is
= 2.55
The force constant k can be determined from
√ ̃ This gives . The period of vibration is
. The reduced mass is ̃ . 10. Oscillator. When carbon monoxide, 12C16O, is bound to the muscletissue protein myoglobin, the
vibrational frequency of its stretching mode is 1945 cm1. Compute the frequency of the same
vibrational transition in 13C16O, assuming the force constant is not affected by the isotope change.
The wavenumber can be computed via
̃ ̃
̃ √ ̃ √ The reduced masses are ̃√
for for 13C16O. Fro...
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 Fall '06
 Reinhardt
 Electron

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