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!Input file for the anaddb code. Analysis of the SiO2 DDB

!Flags
 ifcflag   1     ! Interatomic force constant flag
 ifcout    -1
 thmflag   1     ! Thermodynamical properties flag
 enunit 2

!Wavevector grid number 1 (coarse grid, from DDB)
  brav    1      ! Bravais Lattice : 1-S.C., 2-F.C., 3-B.C., 4-Hex.)
  ngqpt   9  9  9   ! Monkhorst-Pack indices
  nqshft  1         ! number of q-points in repeated basic q-cell
  q1shft  3*0.0

!Effective charges
  chneut   1     ! Charge neutrality requirement for effective charges.

!Interatomic force constant info
  dipdip  1      ! Dipole-dipole interaction treatment

!Wavevector grid number 2 (series of fine grids, extrapolated from interat forces)
  prtdos 1
  ng2qpt   30 30 30  ! sample the BZ up to ngqpt2
  ngrids   5         ! number of grids of increasing size
  q2shft   3*0.0
  prt_ifc 1

!Thermal information
  nchan   1250   ! # of channels for the DOS with channel width 1 cm-1
  nwchan  5      ! # of different channel widths from this integer down to 1 cm-1
  thmtol  0.120  ! Tolerance on thermodynamical function fluctuations
  ntemper 10     ! Number of temperatures
  temperinc 20.  ! Increment of temperature in K for temperature dependency
  tempermin 20.  ! Minimal temperature in Kelvin