%nprocshared=4
%mem=16GB
%chk=Co2.chk
# opt freq 6-311++g(2d,2p) geom=connectivity pbepbe

Scaling factors

0 1
 C-C_R              0.00000000    0.00000000    0.00000000
 O-O_R              0.00000000    0.00000000    1.25790100
 O-O_R              0.00000000    0.00000000   -1.25790100

 1 2 2.0 3 2.0
 2
 3