Compare vibrational frequencies in CCCBDB for NO_{2} (Nitrogen dioxide)
MP2/CEP31G*
17 05 22 16 49
Frequency in cm^{1}

Calculated 

Experimental 
Mode Number 
Symmetry 
Frequency 
diff 
Symmetry 
Frequency 
Comment 
1 
A_{1} 
1296 
22 
A_{1} 
1318 

2 
A_{1} 
698 
52 
A_{1} 
750 

3 
B_{2} 
2036 
418 
B_{2} 
1618 

The calculated vibrational frequencies were scaled by 0.9494
See section Calculated; Vibrations; Scale Factors; Set scaling factors to change the scale factors used here.
See section Calculated; Vibrations; Scale Factors; Calculate a scale factor to determine the least squares best scaling factor.
See section Calculated; Vibrations; Scale Factors; Scale factor uncertainty for information on where the above scaling factor is from.