July 03, 2020, 06:15:07 AM
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Topic: Why sometime there is a doublet band in FTIR refer to the same molecule?  (Read 2845 times)

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Offline umalaya

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Hi,

Can anyone share with me that why sometime there is a double band or triplet band in the FTIR spectrum refer to the same molecule vibration?

Thank you very much...

Offline marquis

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In a molecule like polyethylene, the doublets indicate crystalinity. 

Offline umalaya

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hi, thanks... but why a crystalinity shows a doublet bands?

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