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

Compare vibrational frequencies in CCCBDB for N(CH3)3 (Trimethylamine)

HF/6-31G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 2923 -30 A1 2953  
2 A1 2807 32 A1 2775  
3 A1 1505 46 A1 1459  
4 A1 1484 40 A1 1444  
5 A1 1197 11 A1 1186  
6 A1 784 -44 A1 828  
7 A1 301 -66 A1 367  
8 A2 2954 -23 A2 2977  
9 A2 1496 43 A2 1453  
10 A2 1066 20 A2 1046  
11 A2 223 -31 A2 255  
12 E 2961 -20 E 2981  
13 E 2915 -38 E 2953  
14 E 2795 19 E 2776  
15 E 1512 41 E 1471  
16 E 1487 43 E 1444  
17 E 1450 41 E 1409  
18 E 1307 32 E 1275  
19 E 1115 12 E 1103  
20 E 1039 -4 E 1043  
21 E 413 -11 E 424  
22 E 225 -56 E 281  
The calculated vibrational frequencies were scaled by 0.9029

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.