#rhf/3-21g pop=nboread RHF/3-21G for formamide (H2NCHO) 0 1   H  -1.908544      0.420906     0.000111   H  -1.188060     -1.161135     0.000063   N  -1.084526     -0.157315     0.000032   C    0.163001      0.386691    -0.000154   O   1.196265      -0.246372     0.000051   H    0.140159      1.492269     0.000126 $nbo nrt $end

I tried this example, but using gaussian the section with resonance weight is missing