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All results from a given calculation for C5H8 (1,3-Pentadiene, (E)-)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-194.244769
Energy at 298.15K-194.252312
Nuclear repulsion energy155.357222
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3240 3126 17.04      
2 A 3178 3066 25.73      
3 A 3165 3054 17.39      
4 A 3155 3044 6.53      
5 A 3145 3034 3.91      
6 A 3133 3023 2.62      
7 A 3074 2966 19.41      
8 A 3037 2931 22.98      
9 A 1714 1654 6.68      
10 A 1672 1613 1.97      
11 A 1555 1501 9.55      
12 A 1553 1499 8.71      
13 A 1516 1463 8.62      
14 A 1467 1415 8.23      
15 A 1448 1397 0.58      
16 A 1372 1323 0.45      
17 A 1332 1285 1.36      
18 A 1214 1171 3.81      
19 A 1099 1061 0.00      
20 A 1097 1058 0.60      
21 A 1055 1018 13.73      
22 A 1012 976 0.65      
23 A 974 940 11.47      
24 A 953 919 63.95      
25 A 889 857 2.87      
26 A 814 785 8.83      
27 A 649 626 34.88      
28 A 637 615 5.81      
29 A 404 390 3.83      
30 A 359 346 0.17      
31 A 232 224 0.18      
32 A 150 145 0.01      
33 A 119 114 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 25204.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 24319.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/3-21G
ABC
0.52606 0.08801 0.07647

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.059 -0.370 0.000
C2 -0.107 0.737 0.000
C3 1.233 0.645 -0.000
C4 -2.389 -0.204 -0.000
C5 2.062 -0.616 -0.000
H6 -0.654 -1.378 0.000
H7 -0.554 1.730 0.000
H8 1.808 1.569 -0.001
H9 -2.837 0.786 -0.000
H10 -3.072 -1.046 -0.000
H11 2.715 -0.645 -0.883
H12 1.448 -1.520 -0.001
H13 2.713 -0.646 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.46012.50751.34013.13081.08652.16013.46162.12072.12313.88592.75853.8845
C21.46011.34382.46802.55662.18471.08882.08822.73023.45953.26422.74103.2633
C32.50751.34383.72061.50912.76702.09071.08824.07294.62562.15372.17572.1537
C41.34012.46803.72064.47002.09522.66594.55611.08651.08435.19864.05675.1972
C53.13082.55661.50914.47002.82073.51372.20035.09575.15181.09841.09241.0984
H61.08652.18472.76702.09522.82073.10983.84053.07422.44083.55912.10703.5575
H72.16011.08882.09072.66593.51373.10982.36712.47063.74784.13593.81704.1352
H83.46162.08821.08824.55612.20033.84052.36714.71055.53652.55043.11022.5514
H92.12072.73024.07291.08655.09573.07422.47064.71051.84705.80114.86645.7999
H102.12313.45954.62561.08435.15182.44083.74785.53651.84705.86764.54505.8662
H113.88593.26422.15375.19861.09843.55914.13592.55045.80115.86761.77411.7663
H122.75852.74102.17574.05671.09242.10703.81703.11024.86644.54501.77411.7741
H133.88453.26332.15375.19721.09843.55754.13522.55145.79995.86621.76631.7741

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 126.776 C1 C2 H8 154.184
C2 C1 H6 117.405 C2 C1 H7 27.159
C2 C3 C4 17.105 C2 C3 H9 1.933
C3 C2 H8 27.408 C3 C4 C5 18.483
C3 C4 H10 142.229 C4 C3 H9 15.172
C4 C5 H11 126.482 C4 C5 H12 61.119
C4 C5 H13 126.381 C5 C4 H10 123.746
H6 C1 H7 144.564 H11 C5 H12 108.152
H11 C5 H13 107.042 H12 C5 H13 108.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198     0.050
2 C -0.186     -0.289
3 C -0.163     -0.087
4 C -0.372     -0.513
5 C -0.610     -0.179
6 H 0.186     0.125
7 H 0.180     0.161
8 H 0.184     0.111
9 H 0.182     0.209
10 H 0.186     0.188
11 H 0.206     0.075
12 H 0.201     0.072
13 H 0.206     0.076


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.489 -0.136 -0.000 0.508
CHELPG        
AIM        
ESP 0.485 -0.144 -0.000 0.506


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.609 -0.122 0.001
y -0.122 -29.368 -0.000
z 0.001 -0.000 -34.962
Traceless
 xyz
x 3.556 -0.122 0.001
y -0.122 2.418 -0.000
z 0.001 -0.000 -5.974
Polar
3z2-r2-11.948
x2-y20.759
xy-0.122
xz0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.700 0.186 0.000
y 0.186 6.663 -0.000
z 0.000 -0.000 3.159


<r2> (average value of r2) Å2
<r2> 156.226
(<r2>)1/2 12.499