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

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

HF/SDD

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 3018 27 A' 2991  
2 A' 2958 1 A' 2957  
3 A' 2927 7 A' 2920  
4 A' 2911 40 A' 2871  
5 A' 2883 53 A' 2830  
6 A' 1487 26 A' 1461  
7 A' 1478 43 A' 1435  
8 A' 1470 43 A' 1427  
9 A' 1415 38 A' 1377  
10 A' 1365 44 A' 1321  
11 A' 1304 42 A' 1262  
12 A' 1080 20 A' 1060  
13 A' 977   A'    
14 A' 971 3 A' 968  
15 A' 656 -71 A' 727  
16 A' 615 -39 A' 654  
17 A' 327 -26 A' 353  
18 A' 182 -45 A' 227  
19 A" 3009 18 A" 2991  
20 A" 2991 34 A" 2957  
21 A" 2965 45 A" 2920  
22 A" 1479 30 A" 1449  
23 A" 1464 29 A" 1435  
24 A" 1257 18 A" 1239  
25 A" 1050   A"    
26 A" 977 23 A" 954  
27 A" 787 30 A" 757  
28 A" 228   A"    
29 A" 149   A"    
30 A" 69   A"    
The calculated vibrational frequencies were scaled by 0.9004

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.