&input_pw2bgw
   prefix = 'Si2'
   real_or_complex = 1
   wfng_flag = .true. 
   wfng_file = 'WFN_inner'
   wfng_kgrid = .true.
   wfng_nk1 = 4
   wfng_nk2 = 4
   wfng_nk3 = 4
   wfng_dk1 = 0.0
   wfng_dk2 = 0.0
   wfng_dk3 = 0.0
   rhog_flag = .true.
   rhog_file = 'RHO'
   vxc_flag = .true.
   vxc_file = 'vxc.dat'
   vxc_diag_nmin = 1
   vxc_diag_nmax = 14
/
