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18-O and 16-O Isotope Effects in Infrared Spectroscopy

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The Pt compound below shows an infrared band at 822 cm-1 that has been attributed to the O-O stretching mode. This is the mode where the O atoms move away from each other and the Pt-O stretching is not significant. If you approximate the O-O unit as a harmonic oscillator, where would you expect the 18-O compound to absorb?

Keywords: O-18, O-16, O16, O18, 16O, 18O, oxygen, oxygen-16, oxygen-18.

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© BrainMass Inc. brainmass.com September 21, 2018, 12:31 am ad1c9bdddf - https://brainmass.com/chemistry/organic-chemistry/isotope-effects-infrared-spectroscopy-150229

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Solution Summary

The solution shows how to predict the frequency of an infrared absorption by looking at isotope effects.

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