$periodic 3
$lattice
10.357962933 0.0000000000 0.0000000000
0.0000000000 10.357962933 0.0000000000
0.0000000000 0.0000000000 10.357962933
$coord file=coord
$kpoints
nkpoints 6 6 6
$riper
pqmatdiag on
pqsingtol 1.0d-7
$end