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All results from a given calculation for C5H8 (2,3-Pentadiene)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-195.170944
Energy at 298.15K-195.178010
HF Energy-194.899542
Nuclear repulsion energy152.586325
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 B2PLYP/cc-pVTZ
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 3148 3020 14.81      
2 A 3133 3006 0.10      
3 A 3099 2973 19.45      
4 A 3046 2922 7.73      
5 A 1523 1461 3.49      
6 A 1498 1437 5.09      
7 A 1452 1393 0.00      
8 A 1417 1359 2.10      
9 A 1169 1121 0.00      
10 A 1100 1055 1.81      
11 A 1067 1024 0.25      
12 A 908 871 22.53      
13 A 829 795 0.02      
14 A 540 519 4.79      
15 A 295 283 0.98      
16 A 172 165 0.03      
17 A 137 131 1.79      
18 B 3148 3020 33.39      
19 B 3132 3005 0.25      
20 B 3099 2973 19.33      
21 B 3045 2922 67.83      
22 B 2052 1968 12.35      
23 B 1507 1446 8.93      
24 B 1497 1436 5.38      
25 B 1413 1356 5.91      
26 B 1320 1266 21.26      
27 B 1107 1062 2.18      
28 B 1064 1021 1.10      
29 B 968 929 13.05      
30 B 713 684 16.66      
31 B 573 550 12.96      
32 B 226 217 0.85      
33 B 155 148 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 24775.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 23769.8 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 B2PLYP/cc-pVTZ
ABC
0.57757 0.07481 0.07232

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.283
C2 0.000 1.305 0.387
C3 0.000 -1.305 0.387
C4 0.610 2.461 -0.406
C5 -0.610 -2.461 -0.406
H6 0.769 1.655 1.069
H7 -0.769 -1.655 1.069
H8 0.337 3.405 0.053
H9 1.691 2.373 -0.426
H10 0.255 2.465 -1.435
H11 -0.337 -3.405 0.053
H12 -1.691 -2.373 -0.426
H13 -0.255 -2.465 -1.435

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30911.30912.62712.62711.98771.98773.42972.99933.01573.42972.99933.0157
C21.30912.60991.52883.89651.08603.13382.15342.15962.17584.73414.12954.1955
C31.30912.60993.89651.52883.13381.08604.73414.12954.19552.15342.15962.1758
C42.62711.52883.89655.07071.68764.58491.08471.08541.08905.95995.35425.1066
C52.62713.89651.52885.07074.58491.68765.95995.35425.10661.08471.08541.0890
H61.98771.08603.13381.68764.58493.65122.06891.89722.68155.27914.95204.9297
H71.98773.13381.08604.58491.68763.65125.27914.95204.92972.06891.89722.6815
H83.42972.15344.73411.08475.95992.06895.27911.76861.76236.84406.14326.0853
H92.99932.15964.12951.08545.35421.89724.95201.76861.75786.14325.82895.3125
H103.01572.17584.19551.08905.10662.68154.92971.76231.75786.08535.31254.9571
H113.42974.73412.15345.95991.08475.27912.06896.84406.14326.08531.76861.7623
H122.99934.12952.15965.35421.08544.95201.89726.14325.82895.31251.76861.7578
H133.01574.19552.17585.10661.08904.92972.68156.08535.31254.95711.76231.7578

picture of 2,3-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 135.415 C1 C2 H6 111.839
C1 C3 C5 135.415 C1 C3 H7 111.839
C2 C1 C3 170.815 C2 C4 H8 109.804
C2 C4 H9 110.256 C2 C4 H10 111.329
C3 C5 H11 109.804 C3 C5 H12 110.256
C3 C5 H13 111.329 C4 C2 H6 78.389
C5 C3 H7 78.389 H8 C4 H9 109.173
H8 C4 H10 108.339 H9 C4 H10 107.879
H11 C5 H12 109.173 H11 C5 H13 108.339
H12 C5 H13 107.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 C -0.167      
3 C -0.167      
4 C -0.259      
5 C -0.259      
6 H 0.138      
7 H 0.138      
8 H 0.099      
9 H 0.098      
10 H 0.102      
11 H 0.099      
12 H 0.098      
13 H 0.102      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.022 -1.143 0.000
y -1.143 14.147 0.000
z 0.000 0.000 6.899


<r2> (average value of r2) Å2
<r2> 171.390
(<r2>)1/2 13.092