%chk=OH3p_D3h
%nproc=64
%mem=300gb
#p m062x def2tzvp opt(vtight) freq


1 1
O     0.000000000000      0.000000000000      0.000000000000
H     0.471391392261      0.816473848881      0.000000000000
H    -0.942782790787     -0.000000003618      0.000000000000
H     0.471391398526     -0.816473845264      0.000000000000