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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-193.994597
Energy at 298.15K-194.001714
HF Energy-193.994597
Nuclear repulsion energy152.305372
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/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 3167 3051 12.41      
2 A 3147 3032 1.51      
3 A 3114 3000 16.75      
4 A 3058 2945 5.30      
5 A 1566 1508 2.91      
6 A 1550 1493 9.58      
7 A 1480 1426 3.35      
8 A 1449 1396 3.66      
9 A 1194 1150 0.22      
10 A 1124 1083 1.38      
11 A 1100 1060 0.58      
12 A 928 894 32.87      
13 A 838 808 0.01      
14 A 550 530 2.91      
15 A 296 285 1.43      
16 A 177 170 0.00      
17 A 137 132 2.33      
18 B 3168 3051 22.61      
19 B 3146 3030 0.73      
20 B 3114 3000 16.88      
21 B 3057 2945 50.70      
22 B 2110 2032 13.04      
23 B 1554 1497 10.26      
24 B 1549 1492 10.21      
25 B 1451 1397 4.96      
26 B 1352 1302 12.74      
27 B 1123 1082 11.55      
28 B 1095 1055 0.16      
29 B 974 939 14.33      
30 B 732 705 28.87      
31 B 583 562 12.41      
32 B 225 216 0.93      
33 B 159 153 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 25133.7 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 24211.3 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/3-21G
ABC
0.56659 0.07503 0.07247

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.421
C2 0.000 1.306 0.419
C3 0.000 -1.306 0.419
C4 -0.885 2.154 -0.466
C5 0.885 -2.154 -0.466
H6 0.673 1.840 1.090
H7 -0.673 -1.840 1.090
H8 -1.531 2.800 0.141
H9 -0.277 2.804 -1.109
H10 -1.515 1.525 -1.100
H11 1.531 -2.800 0.141
H12 0.277 -2.804 -1.109
H13 1.515 -1.525 -1.100

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30571.30572.49222.49222.07052.07053.20393.20652.63313.20393.20652.6331
C21.30572.61141.51183.67931.09073.28642.15772.15792.15614.39104.39333.5515
C31.30572.61143.67931.51183.28641.09074.39104.39333.55152.15772.15792.1561
C42.49221.51183.67934.65792.22424.29221.09761.09751.09325.54575.13324.4381
C52.49223.67931.51184.65794.29222.22425.54575.13324.43811.09761.09751.0932
H62.07051.09073.28642.22424.29223.91872.58482.58273.11164.81365.15394.1023
H72.07053.28641.09074.29222.22423.91874.81365.15394.10232.58482.58273.1116
H83.20392.15774.39101.09765.54572.58484.81361.77131.77976.38336.02035.4340
H93.20652.15794.39331.09755.13322.58275.15391.77131.77996.02035.63544.6853
H102.63312.15613.55151.09324.43813.11164.10231.77971.77995.43404.68534.2991
H113.20394.39102.15775.54571.09764.81362.58486.38336.02035.43401.77131.7797
H123.20654.39332.15795.13321.09755.15392.58276.02035.63544.68531.77131.7799
H132.63313.55152.15614.43811.09324.10233.11165.43404.68534.29911.77971.7799

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 124.228 C1 C2 H6 119.266
C1 C3 C5 124.228 C1 C3 H7 119.266
C2 C1 C3 179.784 C2 C4 H8 110.561
C2 C4 H9 110.577 C2 C4 H10 110.692
C3 C5 H11 110.561 C3 C5 H12 110.577
C3 C5 H13 110.692 C4 C2 H6 116.506
C5 C3 H7 116.506 H8 C4 H9 107.592
H8 C4 H10 108.657 H9 C4 H10 108.674
H11 C5 H12 107.592 H11 C5 H13 108.657
H12 C5 H13 108.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.178      
2 C -0.345      
3 C -0.345      
4 C -0.661      
5 C -0.661      
6 H 0.232      
7 H 0.232      
8 H 0.227      
9 H 0.226      
10 H 0.230      
11 H 0.227      
12 H 0.226      
13 H 0.230      


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 -0.234 0.234
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.918 -0.273 0.000
y -0.273 -27.190 0.000
z 0.000 0.000 -32.129
Traceless
 xyz
x -2.259 -0.273 0.000
y -0.273 4.834 0.000
z 0.000 0.000 -2.575
Polar
3z2-r2-5.150
x2-y2-4.728
xy-0.273
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.253 -0.956 0.000
y -0.956 12.638 0.000
z 0.000 0.000 5.153


<r2> (average value of r2) Å2
<r2> 170.783
(<r2>)1/2 13.068