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All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-195.062375
Energy at 298.15K-195.069898
Nuclear repulsion energy155.369850
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/6-31G*
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 3264 3104 16.05      
2 A 3185 3029 3.70      
3 A 3174 3019 6.26      
4 A 3048 2898 21.72      
5 A 1754 1668 0.68      
6 A 1498 1424 7.05      
7 A 1465 1393 0.01      
8 A 1331 1266 0.03      
9 A 1278 1215 0.07      
10 A 1098 1045 1.51      
11 A 1040 989 10.03      
12 A 947 901 40.35      
13 A 925 880 5.64      
14 A 687 653 9.12      
15 A 373 355 0.46      
16 A 299 285 0.14      
17 A 89 84 0.01      
18 A 3264 3104 19.80      
19 A 3185 3029 10.20      
20 A 3174 3019 27.30      
21 A 3094 2943 15.02      
22 A 1741 1656 19.58      
23 A 1471 1399 3.73      
24 A 1345 1279 0.09      
25 A 1314 1249 4.94      
26 A 1186 1128 3.68      
27 A 1043 992 14.49      
28 A 987 938 2.85      
29 A 946 900 39.13      
30 A 903 858 9.79      
31 A 617 587 11.48      
32 A 455 433 2.82      
33 A 104 99 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25141.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 23909.5 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/6-31G*
ABC
0.66791 0.07852 0.07791

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.663
C2 0.000 1.246 -0.178
C3 0.000 -1.246 -0.178
C4 0.961 2.166 -0.176
C5 -0.961 -2.166 -0.176
H6 -0.884 -0.010 1.316
H7 0.884 0.010 1.316
H8 -0.858 1.366 -0.841
H9 0.858 -1.366 -0.841
H10 0.913 3.046 -0.811
H11 -0.913 -3.046 -0.811
H12 1.834 2.076 0.468
H13 -1.834 -2.076 0.468

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50331.50332.51392.51391.09901.09902.20522.20523.50523.50522.77692.7769
C21.50332.49151.33093.54462.14262.13131.09042.82732.11564.43322.11443.8489
C31.50332.49153.54461.33092.13132.14262.82731.09044.43322.11563.84892.1144
C42.51391.33093.54464.73963.21952.62342.09553.59531.08655.57521.08835.1207
C52.51393.54461.33094.73962.62343.21953.59532.09555.57521.08655.12071.0883
H61.09902.14262.13133.21952.62341.76772.55863.08624.13453.70763.52932.4272
H71.09902.13132.14262.62343.21951.76773.08622.55863.70764.13452.42723.5293
H82.20521.09042.82732.09553.59532.55863.08623.22512.44134.41203.07623.8092
H92.20522.82731.09043.59532.09553.08622.55863.22514.41202.44133.80923.0762
H103.50522.11564.43321.08655.57524.13453.70762.44134.41206.35981.85095.9512
H113.50524.43322.11565.57521.08653.70764.13454.41202.44136.35985.95121.8509
H122.77692.11443.84891.08835.12073.52932.42723.07623.80921.85095.95125.5400
H132.77693.84892.11445.12071.08832.42723.52933.80923.07625.95121.85095.5400

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.891 C1 C2 H8 115.554
C1 C3 C5 124.891 C1 C3 H9 115.554
C2 C1 C3 111.925 C2 C1 H6 109.876
C2 C1 H7 108.983 C2 C4 H10 121.806
C2 C4 H12 121.534 C3 C1 H6 108.983
C3 C1 H7 109.876 C3 C5 H11 121.806
C3 C5 H13 121.534 C4 C2 H8 119.546
C5 C3 H9 119.546 H6 C1 H7 107.076
H10 C4 H12 116.659 H11 C5 H13 116.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.419      
2 C -0.074      
3 C -0.074      
4 C -0.390      
5 C -0.390      
6 H 0.179      
7 H 0.179      
8 H 0.165      
9 H 0.165      
10 H 0.167      
11 H 0.167      
12 H 0.161      
13 H 0.161      


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 0.065 0.065
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.183 0.922 0.000
y 0.922 -31.322 0.000
z 0.000 0.000 -31.872
Traceless
 xyz
x 1.413 0.922 0.000
y 0.922 -0.294 0.000
z 0.000 0.000 -1.119
Polar
3z2-r2-2.238
x2-y21.139
xy0.922
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.864 3.101 0.000
y 3.101 9.934 0.000
z 0.000 0.000 5.393


<r2> (average value of r2) Å2
<r2> 157.811
(<r2>)1/2 12.562