$control
 task=hessian
 theory=DFT
 basis=basis.in
$end


$molecule
 mult=2
 z-matrix
 set=L1
   1
   8    1    0.98040364
   1    2    1.20000000    1    102.522436
   8    3    1.20000000    2    142.443089    1    -71.101633
   1    4    0.98041740    3    102.541972    2    -71.089795
$end

