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

Compare vibrational frequencies in CCCBDB for C3H7N (Cyclopropylamine)

LSDA/3-21G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3326 -22 A' 3348  
2 A 3163 63 A' 3100  
3 A 3059 27 A' 3032  
4 A 2919 -56 A' 2975  
5 A 1618 1 A' 1617  
6 A 1426 -30 A' 1456  
7 A 1362 -12 A' 1374  
8 A 1203 -11 A' 1214  
9 A 1148 -20 A' 1168  
10 A 1005 -145 A' 1150  
11 A 994 -26 A' 1020  
12 A 803 -186 A' 989  
13 A 755 -50 A' 805  
14 A 544 -218 A' 762  
15 A 392 -16 A' 408  
16 A 3428 16 A" 3412  
17 A 3149 49 A" 3100  
18 A 3054 31 A" 3023  
19 A 1400 -24 A" 1424  
20 A 1215 111 A" 1104  
21 A 1153 108 A" 1045  
22 A 1085 59 A" 1026  
23 A 1027 87 A" 940  
24 A 858 -26 A" 884  
25 A 819 -11 A" 830  
26 A 403 7 A" 396  
27 A 265 11 A" 254  
The calculated vibrational frequencies were scaled by 0.9836

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.