%nprocshared=4
%mem=16GB
%chk=N2.chk
# opt freq 6-311++g(2d,2p) geom=connectivity b3lyp

Scaling factors

0 1
 N-N_1              0.00000000    0.00000000    0.56000400
 N-N_1              0.00000000    0.00000000   -0.56000400

 1 2 3.0
 2