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

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

PBEPBE/6-31+G**

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3144 54 A' 3090  
2 A 3053 38 A' 3015  
3 A 3043 28 A' 3015  
4 A 3037 22 A' 3015  
5 A 3029 14 A' 3015  
6 A 3018 78 A' 2940  
7 A 2924 5 A' 2919  
8 A 1649 -12 A' 1661  
9 A 1601 -9 A' 1610  
10 A 1427 -6 A' 1433  
11 A 1391 -31 A' 1422  
12 A 1348 -37 A' 1385  
13 A 1277 -39 A' 1316  
14 A 1261 -38 A' 1299  
15 A 1238 -42 A' 1280  
16 A 1170 4 A' 1166  
17 A 1070 33 A' 1037  
18 A 952 -33 A' 985  
19 A 875 13 A' 862  
20 A 467 -16 A' 483  
21 A 434 16 A' 418  
22 A 188 -24 A' 212  
23 A 2976 5 A" 2971  
24 A 1413 -40 A" 1453  
25 A 1007 -10 A" 1017  
26 A 993 -9 A" 1002  
27 A 925 13 A" 912  
28 A 863 -36 A" 899  
29 A 802 -18 A" 820  
30 A 618 3 A" 615  
31 A 252        
32 A 204        
33 A 134 5 A" 129 reassigned from nu32
The calculated vibrational frequencies were scaled by 0.9886

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.