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

using model chemistry: HF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-193.970028
Energy at 298.15K-193.977752
HF Energy-193.970028
Nuclear repulsion energy156.197229
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/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' 3395 3064 26.26      
2 A' 3347 3021 16.27      
3 A' 3328 3004 37.09      
4 A' 3309 2987 13.78      
5 A' 3302 2981 6.72      
6 A' 3279 2960 13.23      
7 A' 3178 2869 42.93      
8 A' 1905 1719 9.14      
9 A' 1824 1647 2.62      
10 A' 1621 1463 4.72      
11 A' 1599 1443 10.43      
12 A' 1554 1403 2.30      
13 A' 1513 1366 3.37      
14 A' 1437 1297 2.20      
15 A' 1395 1259 1.47      
16 A' 1282 1157 0.82      
17 A' 1150 1038 0.11      
18 A' 1027 927 7.95      
19 A' 949 856 1.49      
20 A' 657 593 5.08      
21 A' 416 376 4.72      
22 A' 238 214 0.43      
23 A" 3224 2910 36.01      
24 A" 1611 1454 5.23      
25 A" 1172 1058 0.63      
26 A" 1144 1032 13.03      
27 A" 1108 1000 0.01      
28 A" 1065 961 55.64      
29 A" 881 795 8.48      
30 A" 699 631 26.55      
31 A" 396 357 0.21      
32 A" 135 122 0.11      
33 A" 117 105 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 26627.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 24033.5 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 HF/6-31G**
ABC
0.53651 0.08831 0.07689

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.384 0.136 0.000
C2 1.111 -0.224 0.000
C3 0.000 0.735 0.000
C4 -1.297 0.460 0.000
C5 -1.962 -0.887 0.000
H6 2.681 1.171 0.000
H7 3.175 -0.593 0.000
H8 0.870 -1.273 0.000
H9 0.293 1.773 0.000
H10 -1.977 1.298 0.000
H11 -1.258 -1.709 0.000
H12 -2.600 -0.993 0.874
H13 -2.600 -0.993 -0.874

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.32292.45853.69584.46471.07711.07532.06822.65624.51364.08295.18485.1848
C21.32291.46802.50383.14372.10012.09661.07642.15853.44302.79623.88963.8896
C32.45851.46801.32612.54582.71593.44162.18881.07862.05572.74913.24223.2422
C43.69582.50381.32611.50244.04104.59472.77532.06221.07892.16982.13862.1386
C54.46473.14372.54581.50245.07845.14532.85803.48742.18531.08191.08721.0872
H61.07712.10012.71594.04105.07841.83203.04192.46254.65964.87965.77375.7737
H71.07532.09663.44164.59475.14531.83202.40333.72905.48824.57165.85465.8546
H82.06821.07642.18882.77532.85803.04192.40333.10063.83642.17243.58943.5894
H92.65622.15851.07862.06223.48742.46253.72903.10062.31933.81224.09734.0973
H104.51363.44302.05571.07892.18534.65965.48823.83642.31933.09192.53022.5302
H114.08292.79622.74912.16981.08194.87964.57162.17243.81223.09191.75391.7539
H125.18483.88963.24222.13861.08725.77375.85463.58944.09732.53021.75391.7471
H135.18483.88963.24222.13861.08725.77375.85463.58944.09732.53021.75391.7471

picture of 1,3-Pentadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.415 C1 C2 H8 118.721
C2 C1 H6 121.758 C2 C1 H7 121.570
C2 C3 C4 127.229 C2 C3 H9 115.046
C3 C2 H8 117.864 C3 C4 C5 128.213
C3 C4 H10 117.096 C4 C3 H9 117.725
C4 C5 H11 113.186 C4 C5 H12 110.323
C4 C5 H13 110.323 C5 C4 H10 114.691
H6 C1 H7 116.672 H11 C5 H12 107.917
H11 C5 H13 107.917 H12 C5 H13 106.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.299      
2 C -0.095      
3 C -0.132      
4 C -0.134      
5 C -0.359      
6 H 0.124      
7 H 0.129      
8 H 0.132      
9 H 0.130      
10 H 0.129      
11 H 0.120      
12 H 0.127      
13 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.405 -0.180 0.000 0.443
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.160 0.136 0.000
y 0.136 -29.668 0.000
z 0.000 0.000 -34.929
Traceless
 xyz
x 3.138 0.136 0.000
y 0.136 2.376 0.000
z 0.000 0.000 -5.514
Polar
3z2-r2-11.029
x2-y20.508
xy0.136
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.952 1.044 0.000
y 1.044 6.875 0.000
z 0.000 0.000 3.833


<r2> (average value of r2) Å2
<r2> 155.591
(<r2>)1/2 12.474