%nprocshared=4
%mem=16GB
%chk=HCN.chk
# opt freq 6-311++g(2d,2p) geom=connectivity m06l

Scaling factors

0 1
 C-C_1              0.00000000    0.00000000   -0.50297300
 H-H_               0.00000000    0.00000000   -1.56140500
 N-N_1              0.00000000    0.00000000    0.65417700

 1 2 1.0 3 3.0
 2
 3