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The differences are much more pronounced in vibrational spectroscopy such as infrared spectroscopy and Raman spectroscopy , and in rotational spectra such as microwave spectroscopy because the reduced mass of the deuterium is markedly higher than that of protium .
 location: Raman
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Raman