[QE-users] Ph.x Raman Tensor Question

Tang, Weilun weilunt at iastate.edu
Fri Jan 2 00:29:27 CET 2026


Hi Quantum Espresso users:

I am studying the example 5 from PHonon. Below is the snippet of the output from ph.x.

These Raman tensors correspond to the atom and different polarization. Is there a way to find the Raman tensor corresponds to the vibrational modes?

Thanks for your time,

Weilun Tang

Department of Materials Science and Engineering
Iowa State University


------------------------------------------------------------------------------------------------------
Raman tensor (au^-1) in cartesian axis

           atom      1
          (      -0.000000000      -0.000000000       0.000000000 )
          (      -0.000000000      -0.000000000      -0.784974138 )
          (       0.000000000      -0.784974138       0.000000000 )

          (      -0.000000000       0.000000000      -0.784974138 )
          (       0.000000000       0.000000000      -0.000000000 )
          (      -0.784974138      -0.000000000      -0.000000000 )

          (       0.000000000      -0.784974138       0.000000000 )
          (      -0.784974138      -0.000000000      -0.000000000 )
          (       0.000000000      -0.000000000       0.000000000 )

           atom      2
          (      -0.000000000      -0.000000000       0.000000000 )
          (      -0.000000000      -0.000000000       0.793396465 )
          (      -0.000000000       0.793396465       0.000000000 )

          (       0.000000000      -0.000000000       0.793396465 )
          (      -0.000000000      -0.000000000       0.000000000 )
          (       0.793396465      -0.000000000       0.000000000 )

          (      -0.000000000       0.793396465      -0.000000000 )
          (       0.793396465      -0.000000000       0.000000000 )
          (       0.000000000       0.000000000      -0.000000000 )


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