Table 2 The calculated vibrational modes of the WTe2 monolayer.

From: Raman fingerprint for semi-metal WTe2 evolving from bulk to monolayer

Symmetry

Symmetry (bulk)

Experimental Frequency (cm−1)

Calculated Frequency (cm−1)

or

 

81.4

or

 

93.2

 

108.5

or

 

114.3

 

118.5

 

132.2

or

 

135.1

or

132.8

137.2

or

 

156.6

or

161.9

164.5

or

 

185.7

or

 

190.2

 

220.3

213.2

222.6

or

 

247.2

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