! ExtOpt TightOpt

%pal
nprocs 1
end

*xyz 0 1
O     -1.808864000000   -0.137998000000    0.000000000000
C      1.769114000000    0.136549000000    0.000000000000
C      0.588145000000   -0.434423000000    0.000000000000
C     -0.695203000000    0.361447000000    0.000000000000
H     -0.548852000000    1.455362000000    0.000000000000
H      0.477859000000   -1.512556000000    0.000000000000
H      2.688665000000   -0.434186000000    0.000000000000
H      1.880903000000    1.213924000000    0.000000000000
*