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

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-195.076414
Energy at 298.15K-195.083479
HF Energy-195.076414
Nuclear repulsion energy152.170089
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 HSEh1PBE/6-31+G**
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 3165 3022 14.11      
2 A 3148 3006 1.31      
3 A 3115 2975 16.99      
4 A 3052 2914 8.13      
5 A 1521 1452 4.98      
6 A 1484 1417 7.66      
7 A 1454 1389 0.13      
8 A 1406 1342 3.24      
9 A 1174 1121 0.10      
10 A 1095 1046 1.74      
11 A 1056 1008 0.30      
12 A 904 863 27.43      
13 A 835 798 0.00      
14 A 547 522 5.89      
15 A 297 283 1.13      
16 A 177 169 0.03      
17 A 139 133 2.70      
18 B 3165 3022 30.98      
19 B 3146 3004 1.00      
20 B 3116 2975 16.68      
21 B 3051 2913 72.79      
22 B 2087 1993 15.75      
23 B 1493 1426 12.12      
24 B 1484 1417 8.18      
25 B 1404 1341 3.67      
26 B 1310 1250 21.89      
27 B 1110 1059 1.85      
28 B 1053 1005 1.16      
29 B 973 929 17.12      
30 B 715 682 19.79      
31 B 576 550 16.98      
32 B 229 218 1.30      
33 B 159 152 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 24818.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 23697.0 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 HSEh1PBE/6-31+G**
ABC
0.58355 0.07413 0.07174

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.406
C2 0.000 1.310 0.410
C3 0.000 -1.310 0.410
C4 -0.870 2.178 -0.456
C5 0.870 -2.178 -0.456
H6 0.682 1.821 1.092
H7 -0.682 -1.821 1.092
H8 -1.506 2.825 0.159
H9 -0.260 2.834 -1.088
H10 -1.513 1.576 -1.102
H11 1.506 -2.825 0.159
H12 0.260 -2.834 -1.088
H13 1.513 -1.576 -1.102

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.31011.31012.49862.49862.06192.06193.21153.21402.65473.21153.21402.6547
C21.31012.62011.50293.69751.09153.27632.15142.15222.15524.40844.41373.5922
C31.31012.62013.69751.50293.27631.09154.40844.41373.59222.15142.15222.1552
C42.49861.50293.69754.69052.22044.29221.09631.09631.09255.57305.17614.4931
C52.49863.69751.50294.69054.29222.22045.57305.17614.49311.09631.09631.0925
H62.06191.09153.27632.22044.29223.88902.58222.58173.11294.81055.15724.1285
H72.06193.27631.09154.29222.22043.88904.81055.15724.12852.58222.58173.1129
H83.21152.15144.40841.09635.57302.58224.81051.76301.77496.40386.05805.4844
H93.21402.15224.41371.09635.17612.58175.15721.76301.77526.05805.69094.7527
H102.65472.15523.59221.09254.49313.11294.12851.77491.77525.48444.75274.3695
H113.21154.40842.15145.57301.09634.81052.58226.40386.05805.48441.76301.7749
H123.21404.41372.15225.17611.09635.15722.58176.05805.69094.75271.76301.7752
H132.65473.59222.15524.49311.09254.12853.11295.48444.75274.36951.77491.7752

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 125.163 C1 C2 H6 118.025
C1 C3 C5 125.163 C1 C3 H7 118.025
C2 C1 C3 179.691 C2 C4 H8 110.757
C2 C4 H9 110.827 C2 C4 H10 111.295
C3 C5 H11 110.757 C3 C5 H12 110.827
C3 C5 H13 111.295 C4 C2 H6 116.812
C5 C3 H7 116.812 H8 C4 H9 107.046
H8 C4 H10 108.369 H9 C4 H10 108.403
H11 C5 H12 107.046 H11 C5 H13 108.369
H12 C5 H13 108.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.612      
2 C -0.299      
3 C -0.299      
4 C -0.707      
5 C -0.707      
6 H 0.172      
7 H 0.172      
8 H 0.175      
9 H 0.175      
10 H 0.178      
11 H 0.175      
12 H 0.175      
13 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.243 0.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.380 -0.283 0.000
y -0.283 -27.910 0.000
z 0.000 0.000 -32.591
Traceless
 xyz
x -2.130 -0.283 0.000
y -0.283 4.575 0.000
z 0.000 0.000 -2.446
Polar
3z2-r2-4.892
x2-y2-4.470
xy-0.283
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.046 -1.044 0.000
y -1.044 14.426 0.000
z 0.000 0.000 6.934


<r2> (average value of r2) Å2
<r2> 172.467
(<r2>)1/2 13.133