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

Compare vibrational frequencies in CCCBDB for C5H8 (1,4-Pentadiene)

B1B95/STO-3G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3152 72 A 3080 A1
2 A 3060 48 A 3012 A1
3 A 3016 4 A 3012 A1
4 A 2956 56 A 2900 A1
5 A 1664 20 A 1644 A1
6 A 1449 16 A 1433 A1
7 A 1388 -25 A 1413 A1
8 A 1245 -50 A 1295 A1
9 A 1193 -70 A 1263 A2
10 A 1020 -100 A 1120 A1
11 A 986 -9 A 995 A2
12 A 891 -27 A 918 A2
13 A 859 -17 A 876 A1
14 A 630 68 A 562 A2
15 A 333 -88 A 421 A1
16 A 262 125 A 137 A2
17 A 69 -33 A 102 A1
18 A 3152 72 B 3080 B1
19 A 3064 52 B 3012 B1
20 A 3051 39 B 3012 B1
21 A 3015 33 B 2982 B2
22 A 1653 13 B 1640 B1
23 A 1391 -22 B 1413 B1
24 A 1269 -45 B 1314 B1
25 A 1231 -49 B 1280 B1
26 A 1103 43 B 1060 B1
27 A 988 -7 B 995 B1
28 A 917 -78 B 995 B2
29 A 891 -29 B 920 B2
30 A 844 84 B 760 B2
31 A 565 -156 B 721 B2
32 A 404 -17 B 421 B1
33 A 82 -249 B 331 B2
The calculated vibrational frequencies were scaled by 0.883

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.