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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-193.956876
Energy at 298.15K-193.964556
Nuclear repulsion energy156.589020
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 HF/aug-cc-pVDZ
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 3372 3071 3.26      
2 A 3295 3000 9.62      
3 A 3286 2993 5.90      
4 A 3245 2955 47.69      
5 A 3239 2949 53.21      
6 A 3185 2900 20.23      
7 A 3173 2889 24.32      
8 A 3159 2877 52.82      
9 A 2191 1995 64.59      
10 A 1600 1457 7.11      
11 A 1597 1454 0.77      
12 A 1591 1449 7.14      
13 A 1584 1442 2.00      
14 A 1529 1392 4.56      
15 A 1478 1346 22.24      
16 A 1457 1326 0.95      
17 A 1387 1263 0.43      
18 A 1227 1118 1.45      
19 A 1197 1090 4.16      
20 A 1170 1066 4.16      
21 A 1105 1006 2.50      
22 A 1061 966 0.16      
23 A 990 902 58.71      
24 A 986 898 17.04      
25 A 898 818 1.69      
26 A 843 767 2.19      
27 A 679 619 7.40      
28 A 573 522 2.68      
29 A 390 355 4.15      
30 A 358 326 9.55      
31 A 279 254 0.00      
32 A 164 149 0.54      
33 A 115 105 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 26200.5 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 23858.1 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 HF/aug-cc-pVDZ
ABC
0.34593 0.10511 0.08452

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.370 0.513 -0.000
C2 1.541 -1.002 0.000
C3 -0.063 1.001 0.000
C4 -1.132 0.258 -0.001
C5 -2.209 -0.475 0.000
H6 1.870 0.941 -0.873
H7 1.871 0.941 0.872
H8 1.083 -1.450 0.882
H9 2.600 -1.260 -0.000
H10 1.082 -1.451 -0.881
H11 -0.206 2.076 0.002
H12 -2.670 -0.788 0.927
H13 -2.673 -0.787 -0.926

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52471.51322.51453.71301.09301.09302.17152.15842.17142.21954.34474.3464
C21.52472.56602.95493.78742.15482.15461.09011.09031.09013.53934.31774.3200
C31.51322.56601.30212.60522.12202.12182.84563.49352.84581.08453.29553.2970
C42.51452.95491.30211.30323.19993.20072.93264.02912.93172.04022.07902.0792
C53.71303.78742.60521.30324.40574.40613.54494.87363.54453.24351.08141.0814
H61.09302.15482.12203.19994.40571.74473.06832.47722.51772.52335.18144.8612
H71.09302.15462.12183.20074.40611.74472.51762.47693.06802.52214.85975.1832
H82.17151.09012.84562.93263.54493.06832.51761.76571.76253.85623.81144.2203
H92.15841.09033.49354.02914.87362.47722.47691.76571.76564.35965.37265.3749
H102.17141.09012.84582.93173.54452.51773.06801.76251.76563.85714.21783.8136
H112.21953.53931.08452.04023.24352.52332.52213.85624.35963.85713.88993.8916
H124.34474.31773.29552.07901.08145.18144.85973.81145.37264.21783.88991.8525
H134.34644.32003.29702.07921.08144.86125.18324.22035.37493.81363.89161.8525

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 111.204 C1 C2 H9 110.144
C1 C2 H10 111.196 C1 C3 C4 126.381
C1 C3 H11 116.418 C2 C1 C3 115.266
C2 C1 H6 109.706 C2 C1 H7 109.688
C3 C1 H6 107.932 C3 C1 H7 107.918
C3 C4 C5 179.396 C4 C3 H11 117.202
C4 C5 H12 121.067 C4 C5 H13 121.085
H6 C1 H7 105.900 H8 C2 H9 108.147
H8 C2 H10 107.887 H9 C2 H10 108.147
H12 C5 H13 117.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.047      
2 C 0.402      
3 C 0.670      
4 C -0.709      
5 C 0.648      
6 H -0.029      
7 H -0.029      
8 H -0.003      
9 H -0.117      
10 H -0.002      
11 H -0.392      
12 H -0.242      
13 H -0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.521 0.064 0.002 0.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.934 2.128 -0.000
y 2.128 -32.161 0.001
z -0.000 0.001 -32.628
Traceless
 xyz
x 1.461 2.128 -0.000
y 2.128 -0.380 0.001
z -0.000 0.001 -1.081
Polar
3z2-r2-2.162
x2-y21.227
xy2.128
xz-0.000
yz0.001


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> 146.133
(<r2>)1/2 12.089