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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-194.171762
Energy at 298.15K-194.179244
Nuclear repulsion energy153.268590
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 B3PW91/3-21G
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 3250 3124 13.64      
2 A 3166 3043 19.17      
3 A 3162 3040 26.51      
4 A 3154 3031 2.82      
5 A 3147 3025 2.02      
6 A 3126 3005 5.57      
7 A 3037 2919 25.29      
8 A 1726 1659 10.72      
9 A 1683 1618 5.06      
10 A 1549 1488 11.53      
11 A 1498 1440 5.39      
12 A 1457 1401 5.57      
13 A 1376 1322 2.60      
14 A 1357 1304 0.51      
15 A 1342 1290 0.56      
16 A 1229 1181 2.03      
17 A 1110 1067 3.27      
18 A 1014 974 10.49      
19 A 930 894 7.38      
20 A 497 478 0.00      
21 A 468 450 0.27      
22 A 202 194 1.43      
23 A 3086 2966 17.52      
24 A 1540 1480 10.99      
25 A 1099 1056 2.37      
26 A 1058 1017 51.80      
27 A 996 958 25.81      
28 A 951 914 46.32      
29 A 864 831 11.93      
30 A 651 626 2.58      
31 A 257 247 3.40      
32 A 204 196 0.10      
33 A 134 128 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 25158.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 24182.5 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 B3PW91/3-21G
ABC
0.94801 0.07192 0.06769

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.414 0.783 0.000
C2 -1.413 -0.107 0.000
C3 0.000 0.249 0.000
C4 0.999 -0.647 0.000
C5 2.460 -0.297 0.000
H6 -2.220 1.853 0.000
H7 -3.454 0.475 0.000
H8 -1.642 -1.173 0.000
H9 0.235 1.313 0.000
H10 0.756 -1.711 0.000
H11 2.606 0.788 0.000
H12 2.963 -0.714 0.884
H13 2.963 -0.714 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33972.47233.70014.99231.08741.08522.10332.70104.03355.02005.65095.6509
C21.33971.45722.47143.87802.12032.12281.08992.17572.69754.11794.50554.5055
C32.47231.45721.34152.52002.73943.46182.17151.09032.10012.66163.23853.2385
C43.70012.47141.34151.50294.07594.59232.69202.10401.09072.15532.15512.1551
C54.99233.87802.52001.50295.15075.96484.19422.74702.21391.09551.09921.0992
H61.08742.12032.73944.07595.15071.84993.08132.51364.64344.94245.85135.8513
H71.08522.12283.46184.59235.96481.84992.45033.78314.74436.06866.58626.5862
H82.10331.08992.17152.69204.19423.08132.45033.11482.45734.67884.71104.7110
H92.70102.17571.09032.10402.74702.51363.78313.11483.06852.42883.51213.5121
H104.03352.69752.10011.09072.21394.64344.74432.45733.06853.10942.57762.5776
H115.02004.11792.66162.15531.09554.94246.06864.67882.42883.10941.77961.7796
H125.65094.50553.23852.15511.09925.85136.58624.71103.51212.57761.77961.7683
H135.65094.50553.23852.15511.09925.85136.58624.71103.51212.57761.77961.7683

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 124.187 C1 C2 H8 119.577
C2 C1 H6 121.415 C2 C1 H7 121.839
C2 C3 C4 123.972 C2 C3 H9 116.576
C3 C2 H8 116.236 C3 C4 C5 124.642
C3 C4 H10 119.050 C4 C3 H9 119.453
C4 C5 H11 111.126 C4 C5 H12 110.881
C4 C5 H13 110.881 C5 C4 H10 116.308
H6 C1 H7 116.746 H11 C5 H12 108.361
H11 C5 H13 108.361 H12 C5 H13 107.090
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.423      
2 C -0.218      
3 C -0.211      
4 C -0.192      
5 C -0.667      
6 H 0.205      
7 H 0.209      
8 H 0.210      
9 H 0.205      
10 H 0.207      
11 H 0.221      
12 H 0.227      
13 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.553 -0.184 0.000 0.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.468 -0.244 0.000
y -0.244 -28.708 0.000
z 0.000 0.000 -35.089
Traceless
 xyz
x 3.431 -0.244 0.000
y -0.244 3.070 0.000
z 0.000 0.000 -6.501
Polar
3z2-r2-13.002
x2-y20.241
xy-0.244
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> 173.038
(<r2>)1/2 13.154