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IV.C.1. (XIII.D.1.)

Compare vibrational frequencies in CCCBDB for C3H7N (Cyclopropylamine)

PBEPBE/6-31+G**

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3381 33 A' 3348  
2 A 3140 40 A' 3100  
3 A 3047 15 A' 3032  
4 A 2964 -11 A' 2975  
5 A 1594 -23 A' 1617  
6 A 1440 -16 A' 1456  
7 A 1347 -27 A' 1374  
8 A 1202 -12 A' 1214  
9 A 1132 -36 A' 1168  
10 A 1000 -150 A' 1150  
11 A 978 -42 A' 1020  
12 A 806 -183 A' 989  
13 A 767 -38 A' 805  
14 A 742 -20 A' 762  
15 A 395 -13 A' 408  
16 A 3471 59 A" 3412  
17 A 3128 28 A" 3100  
18 A 3043 20 A" 3023  
19 A 1391 -33 A" 1424  
20 A 1209 105 A" 1104  
21 A 1143 98 A" 1045  
22 A 1071 45 A" 1026  
23 A 1012 72 A" 940  
24 A 869 -15 A" 884  
25 A 808 -22 A" 830  
26 A 383 -13 A" 396  
27 A 266 12 A" 254  
The calculated vibrational frequencies were scaled by 0.9886

See section XIII.C.3 List or set vibrational scaling factors to change the scale factors used here.
See section III.B.3.c Calculate a vibrational scaling factor for a set of molecules to determine the least squares best scaling factor.
See section III.B.3.b List of vibrational scaling factors and their uncertainties for information on where the above scaling factor is from.