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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-194.191033
Energy at 298.15K-194.198548
Nuclear repulsion energy153.507468
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 mPW1PW91/3-21G
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 3268 3120 12.63      
2 A 3184 3039 18.48      
3 A 3180 3036 23.51      
4 A 3172 3028 3.23      
5 A 3166 3022 2.20      
6 A 3145 3002 5.17      
7 A 3055 2916 23.87      
8 A 1744 1665 10.72      
9 A 1698 1621 5.10      
10 A 1557 1486 11.73      
11 A 1506 1438 5.66      
12 A 1466 1399 5.96      
13 A 1384 1321 2.56      
14 A 1364 1302 0.41      
15 A 1349 1288 0.58      
16 A 1236 1180 2.09      
17 A 1118 1067 3.24      
18 A 1020 974 10.63      
19 A 936 893 7.20      
20 A 500 478 0.00      
21 A 471 449 0.27      
22 A 204 194 1.43      
23 A 3107 2966 16.23      
24 A 1548 1478 11.40      
25 A 1107 1057 2.21      
26 A 1067 1018 51.53      
27 A 1006 960 30.30      
28 A 963 920 45.45      
29 A 873 833 11.79      
30 A 656 626 2.69      
31 A 259 247 3.51      
32 A 206 196 0.08      
33 A 135 129 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 25323.0 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 24173.3 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 mPW1PW91/3-21G
ABC
0.95023 0.07216 0.06792

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.412 0.773 0.000
C2 -1.411 -0.113 0.000
C3 0.000 0.249 0.000
C4 0.999 -0.642 0.000
C5 2.457 -0.288 0.000
H6 -2.223 1.842 0.000
H7 -3.450 0.462 0.000
H8 -1.633 -1.179 0.000
H9 0.229 1.314 0.000
H10 0.760 -1.705 0.000
H11 2.600 0.797 0.000
H12 2.960 -0.703 0.883
H13 2.960 -0.703 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33692.46843.69284.98391.08581.08372.10112.69584.02535.01195.64075.6407
C21.33691.45682.46723.87242.11682.11901.08832.17352.69214.11254.49814.4981
C32.46841.45681.33862.51542.73443.45702.16921.08882.09662.65673.23223.2322
C43.69282.46721.33861.50104.06794.58412.68612.10181.08932.15242.15172.1517
C54.98393.87242.51541.50105.14195.95534.18642.74452.21101.09401.09751.0975
H61.08582.11682.73444.06795.14191.84723.07742.50764.63434.93425.84085.8408
H71.08372.11903.45704.58415.95531.84722.44813.77654.73546.05936.57496.5749
H82.10111.08832.16922.68614.18643.07742.44813.11082.45054.67104.70144.7014
H92.69582.17351.08882.10182.74452.50763.77653.11083.06492.42663.50793.5079
H104.02532.69212.09661.08932.21104.63434.73542.45053.06493.10512.57352.5735
H115.01194.11252.65672.15241.09404.93426.05934.67102.42663.10511.77721.7772
H125.64074.49813.23222.15171.09755.84086.57494.70143.50792.57351.77721.7662
H135.64074.49813.23222.15171.09755.84086.57494.70143.50792.57351.77721.7662

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 124.100 C1 C2 H8 119.722
C2 C1 H6 121.443 C2 C1 H7 121.828
C2 C3 C4 123.860 C2 C3 H9 116.525
C3 C2 H8 116.178 C3 C4 C5 124.616
C3 C4 H10 119.085 C4 C3 H9 119.615
C4 C5 H11 111.111 C4 C5 H12 110.842
C4 C5 H13 110.842 C5 C4 H10 116.300
H6 C1 H7 116.729 H11 C5 H12 108.376
H11 C5 H13 108.376 H12 C5 H13 107.157
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.429      
2 C -0.224      
3 C -0.216      
4 C -0.198      
5 C -0.676      
6 H 0.208      
7 H 0.213      
8 H 0.215      
9 H 0.210      
10 H 0.212      
11 H 0.224      
12 H 0.230      
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
  0.546 -0.181 0.000 0.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.461 -0.257 0.000
y -0.257 -28.679 0.000
z 0.000 0.000 -35.128
Traceless
 xyz
x 3.443 -0.257 0.000
y -0.257 3.115 0.000
z 0.000 0.000 -6.558
Polar
3z2-r2-13.116
x2-y20.218
xy-0.257
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 172.525
(<r2>)1/2 13.135