return to home page

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

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

B1B95/cc-pVDZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 3144 84 A' 3060  
2 A' 3073 13 A' 3060  
3 A' 3065 50 A' 3015  
4 A' 3052 54 A' 2998  
5 A' 3045 47 A' 2998  
6 A' 3039 101 A' 2938  
7 A' 2935 16 A' 2919  
8 A' 1688 32 A' 1656  
9 A' 1626 24 A' 1602  
10 A' 1414 -31 A' 1445  
11 A' 1394 -41 A' 1435  
12 A' 1345 -46 A' 1391  
13 A' 1322 -35 A' 1357  
14 A' 1251 -49 A' 1300  
15 A' 1231 -23 A' 1254  
16 A' 1143 -26 A' 1169  
17 A' 1015 -10 A' 1025  
18 A' 935 -29 A' 964  
19 A' 871 31 A' 840  
20 A' 591 -36 A' 627  
21 A' 371 -31 A' 402  
22 A' 204 60 A' 144  
23 A" 2992 17 A" 2975  
24 A" 1395 -76 A" 1471  
25 A" 1005 -4 A" 1009  
26 A" 1002 5 A" 997  
27 A" 957 36 A" 921  
28 A" 896 -10 A" 906  
29 A" 777 4 A" 773  
30 A" 622 -5 A" 627  
31 A" 348 -108 A" 456  
32 A" 145 -26 A" 171  
33 A" 120        
The calculated vibrational frequencies were scaled by 0.9612

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.