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

Compare vibrational frequencies in CCCBDB for C3H7N (Cyclopropylamine)

LSDA/6-31G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3445 97 A' 3348  
2 A 3147 47 A' 3100  
3 A 3048 16 A' 3032  
4 A 2921 -54 A' 2975  
5 A 1600 -17 A' 1617  
6 A 1443 -13 A' 1456  
7 A 1379 5 A' 1374  
8 A 1244 30 A' 1214  
9 A 1173 5 A' 1168  
10 A 1024 -126 A' 1150  
11 A 1003 -17 A' 1020  
12 A 824 -165 A' 989  
13 A 760 -45 A' 805  
14 A 451 -311 A' 762  
15 A 407 -1 A' 408  
16 A 3563 151 A" 3412  
17 A 3133 33 A" 3100  
18 A 3041 18 A" 3023  
19 A 1402 -22 A" 1424  
20 A 1186 82 A" 1104  
21 A 1153 108 A" 1045  
22 A 1087 61 A" 1026  
23 A 1042 102 A" 940  
24 A 872 -12 A" 884  
25 A 830 -0 A" 830  
26 A 403 7 A" 396  
27 A 250 -4 A" 254  
The calculated vibrational frequencies were scaled by 0.9797

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.