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

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-194.167308
Energy at 298.15K-194.174900
HF Energy-194.167308
Nuclear repulsion energy155.428002
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 wB97X-D/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 3267 3096 13.16      
2 A 3206 3039 3.80      
3 A 3181 3015 1.16      
4 A 3069 2909 16.06      
5 A 1754 1662 0.25      
6 A 1534 1454 12.42      
7 A 1511 1432 0.80      
8 A 1368 1296 0.00      
9 A 1316 1247 0.00      
10 A 1127 1069 0.19      
11 A 1057 1002 7.65      
12 A 994 942 63.34      
13 A 938 889 11.19      
14 A 695 659 11.02      
15 A 390 370 0.33      
16 A 310 294 0.81      
17 A 75 71 0.03      
18 B 3267 3096 16.92      
19 B 3206 3039 9.04      
20 B 3181 3015 12.60      
21 B 3117 2955 8.45      
22 B 1738 1647 19.42      
23 B 1509 1431 6.33      
24 B 1373 1301 0.52      
25 B 1360 1289 1.45      
26 B 1204 1142 4.86      
27 B 1058 1003 9.47      
28 B 991 940 65.13      
29 B 978 927 0.80      
30 B 929 880 10.81      
31 B 621 589 17.67      
32 B 475 450 2.30      
33 B 88 83 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 25442.8 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 24114.7 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 wB97X-D/3-21G*
ABC
0.63529 0.07959 0.07885

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.678
C2 0.000 1.244 -0.179
C3 0.000 -1.244 -0.179
C4 0.965 2.156 -0.181
C5 -0.965 -2.156 -0.181
H6 -0.887 -0.004 1.326
H7 0.887 0.004 1.326
H8 -0.859 1.359 -0.837
H9 0.859 -1.359 -0.837
H10 0.921 3.031 -0.820
H11 -0.921 -3.031 -0.820
H12 1.837 2.062 0.460
H13 -1.837 -2.062 0.460

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51141.51142.51332.51331.09811.09812.20952.20953.50423.50422.77072.7707
C21.51142.48891.32733.53442.14712.14281.08802.81952.10954.42012.11033.8365
C31.51142.48893.53441.32732.14282.14712.81951.08804.42012.10953.83652.1103
C42.51331.32733.53444.72363.21932.62832.09583.57701.08445.55571.08655.1045
C52.51333.53441.32734.72362.62833.21933.57702.09585.55571.08445.10451.0865
H61.09812.14712.14283.21932.62831.77372.55663.09254.13293.71063.52702.4271
H71.09812.14282.14712.62833.21931.77373.09252.55663.71064.13292.42713.5270
H82.20951.08802.81952.09583.57702.55663.09253.21592.44214.39073.07373.7875
H92.20952.81951.08803.57702.09583.09252.55663.21594.39072.44213.78753.0737
H103.50422.10954.42011.08445.55574.13293.71062.44214.39076.33571.84825.9319
H113.50424.42012.10955.55571.08443.71064.13294.39072.44216.33575.93191.8482
H122.77072.11033.83651.08655.10453.52702.42713.07373.78751.84825.93195.5241
H132.77073.83652.11035.10451.08652.42713.52703.78753.07375.93191.84825.5241

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 124.468 C1 C2 H8 115.461
C1 C3 C5 124.468 C1 C3 H9 115.461
C2 C1 C3 110.848 C2 C1 H6 109.719
C2 C1 H7 109.382 C2 C4 H10 121.684
C2 C4 H12 121.601 C3 C1 H6 109.382
C3 C1 H7 109.719 C3 C5 H11 121.684
C3 C5 H13 121.601 C4 C2 H8 120.065
C5 C3 H9 120.065 H6 C1 H7 107.735
H10 C4 H12 116.714 H11 C5 H13 116.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.531      
2 C -0.172      
3 C -0.172      
4 C -0.425      
5 C -0.425      
6 H 0.229      
7 H 0.229      
8 H 0.220      
9 H 0.220      
10 H 0.210      
11 H 0.210      
12 H 0.203      
13 H 0.203      


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 0.031 0.031
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.017 1.141 0.000
y 1.141 -31.547 0.000
z 0.000 0.000 -32.167
Traceless
 xyz
x 1.840 1.141 0.000
y 1.141 -0.455 0.000
z 0.000 0.000 -1.385
Polar
3z2-r2-2.770
x2-y21.530
xy1.141
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.578 3.082 0.000
y 3.082 8.907 0.000
z 0.000 0.000 4.811


<r2> (average value of r2) Å2
<r2> 156.638
(<r2>)1/2 12.516