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    Hey,

    I'm assuming this is Physics anyhow, would someone be able to explain how to sort this problem out.


    C12-H1 bond vibrates at a wavenumber of 3270cm-1, what would be the frequency if H1 was replaced by Deuterium (H2)


    Do I use this equation; F= c / wavelength or f =1/2nc√(k/u) or neither and I'm going the wrong way around it?!
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    (Original post by Heather_1)
    Hey,

    I'm assuming this is Physics anyhow, would someone be able to explain how to sort this problem out.


    C12-H1 bond vibrates at a wavenumber of 3270cm-1, what would be the frequency if H1 was replaced by Deuterium (H2)


    Do I use this equation; F= c / wavelength or f =1/2nc√(k/u) or neither and I'm going the wrong way around it?!
    I'm guessing you're assuming the vibration undergoes SHM in which case  \nu = \frac{1}{2 \pi}\sqrt\frac{k}{\mu} where \nu is frequency and \mu is the reduced mass.

    I think the wavenumber is given by \frac{\nu}{c}
 
 
 
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