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

Compare vibrational frequencies in CCCBDB for C5H8 (1,3-Pentadiene, (E)-)

PBEPBE/6-31G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3150 60 A' 3090  
2 A 3058 43 A' 3015  
3 A 3046 31 A' 3015  
4 A 3038 23 A' 3015  
5 A 3032 17 A' 3015  
6 A 3018 78 A' 2940  
7 A 2919 -0 A' 2919  
8 A 1662 1 A' 1661  
9 A 1616 6 A' 1610  
10 A 1469 36 A' 1433  
11 A 1430 8 A' 1422  
12 A 1393 8 A' 1385  
13 A 1312 -4 A' 1316  
14 A 1293 -6 A' 1299  
15 A 1279 -1 A' 1280  
16 A 1196 30 A' 1166  
17 A 1088 51 A' 1037  
18 A 980 -5 A' 985  
19 A 896 34 A' 862  
20 A 476 -7 A' 483  
21 A 443 25 A' 418  
22 A 191 -21 A' 212  
23 A 2975 4 A" 2971  
24 A 1457 4 A" 1453  
25 A 1043 26 A" 1017  
26 A 1014 12 A" 1002  
27 A 951 39 A" 912  
28 A 897 -2 A" 899  
29 A 827 7 A" 820  
30 A 629 14 A" 615  
31 A 254        
32 A 203        
33 A 136 7 A" 129 reassigned from nu32
The calculated vibrational frequencies were scaled by 0.9862

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.