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[lfe11@yahoo.com.tw]

Dear all:

I tried to find the band gap in Gamma for silver bulk by GW approximation.
I followed the tutorial "GW",and I got the result showed below:

------------------------------------------------------------------------------
 k =    0.000   0.000   0.000
 Band     E0 <VxcLDA>   SigX SigC(E0)      Z dSigC/dE  Sig(E)    E-E0       E
    4 -10.453  -0.001   0.000    NaNQ    NaNQ    NaNQ    NaNQ    NaNQ    NaNQ
    5  -6.665  -0.001   0.000    NaNQ    NaNQ    NaNQ    NaNQ    NaNQ    NaNQ

 E^0_gap          0.000
 E^GW_gap          NaNQ
 DeltaE^GW_gap     NaNQ
------------------------------------------------------------------------------
There were not any error in the log file.
What should I do? Thanks for your help.
                                                      Henry Chen