[Pw_forum] a phcg.x error.

戴佳钰 daijiayu at nudt.edu.cn
Thu Sep 13 14:23:20 CEST 2007

Hi, everyone,

I wanted to  use the phcg.x code to calculate the IR and Raman spectra. At first,
I used pw.x to do scf calculation. The K_POINTS was put as (gamma). Then, when i
run the phcg.x, it told me that:
  from cg_readin: error
  double grid not implemented

The file *.nm.in is similar to that in example09, and there was no error when i
run the example. So, please tell me what is the reason possibly? Thank you.


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