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. 2016 Jan 22;6:19624. doi: 10.1038/srep19624

Table 2. The calculated vibrational modes of the WTe2 monolayer.

Symmetry Symmetry (bulk) Experimental Frequency (cm−1) Calculated Frequency (cm−1)
Inline graphic Inline graphic or Inline graphic   81.4
Inline graphic Inline graphic or Inline graphic   93.2
Inline graphic Inline graphic   108.5
Inline graphic Inline graphic or Inline graphic   114.3
Inline graphic Inline graphic   118.5
Inline graphic Inline graphic   132.2
Inline graphic Inline graphic or Inline graphic   135.1
Inline graphic Inline graphic or Inline graphic 132.8 137.2
Inline graphic Inline graphic or Inline graphic   156.6
Inline graphic Inline graphic or Inline graphic 161.9 164.5
Inline graphic Inline graphic or Inline graphic   185.7
Inline graphic Inline graphic or Inline graphic   190.2
Inline graphic Inline graphic   220.3
Inline graphic Inline graphic 213.2 222.6
Inline graphic Inline graphic or Inline graphic   247.2