%nprocshared=4
%mem=16GB
%chk=CO.chk
# opt freq 6-311++g(2d,2p) geom=connectivity pbepbe

Scaling factors

0 1
 C-C_1              0.00000000    0.00000000   -0.64464100
 O-O_1              0.00000000    0.00000000    0.48348000

 1 2 3.0
 2