[QE-users] Ph.x Raman Tensor Question

Paolo Giannozzi paolo.giannozzi at uniud.it
Fri Jan 2 10:21:15 CET 2026


Code "dynmat.x" should do what you need

Paolo

On 1/2/2026 12:29 AM, Tang, Weilun via users wrote:
> 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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-- 
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 206, 33100 Udine Italy, +39-0432-558216



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