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

Compare vibrational frequencies in CCCBDB for CH3SCH2CH3 (Ethane, (methylthio)-)

LSDA/6-31G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 3070 79 A' 2991  
2 A' 3022 65 A' 2957  
3 A' 2942 22 A' 2920  
4 A' 2936 65 A' 2871  
5 A' 2933 103 A' 2830  
6 A' 1455 -6 A' 1461  
7 A' 1438 3 A' 1435  
8 A' 1429 2 A' 1427  
9 A' 1373 -4 A' 1377  
10 A' 1319 -2 A' 1321  
11 A' 1249 -13 A' 1262  
12 A' 1082 22 A' 1060  
13 A' 1002   A'    
14 A' 943 -25 A' 968  
15 A' 691 -36 A' 727  
16 A' 640 -14 A' 654  
17 A' 329 -24 A' 353  
18 A' 173 -54 A' 227  
19 A" 3041 50 A" 2991  
20 A" 3030 73 A" 2957  
21 A" 2992 72 A" 2920  
22 A" 1442 -7 A" 1449  
23 A" 1420 -15 A" 1435  
24 A" 1219 -20 A" 1239  
25 A" 1014   A"    
26 A" 944 -10 A" 954  
27 A" 780 23 A" 757  
28 A" 239   A"    
29 A" 148   A"    
30 A" 61   A"    
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.