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All results from a given calculation for C5H6 (Bicyclo[2.1.0]pent-2-ene)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-194.008193
Energy at 298.15K-194.014510
HF Energy-194.008193
Nuclear repulsion energy160.561637
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/6-311G**
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' 3229 3088 6.58      
2 A' 3219 3079 42.42      
3 A' 3209 3069 0.59      
4 A' 3119 2983 29.61      
5 A' 1638 1567 5.76      
6 A' 1488 1423 2.83      
7 A' 1316 1259 0.96      
8 A' 1217 1164 1.04      
9 A' 1123 1074 2.25      
10 A' 1046 1000 1.72      
11 A' 976 934 4.10      
12 A' 893 854 3.28      
13 A' 819 783 0.37      
14 A' 750 718 72.16      
15 A' 432 413 7.35      
16 A" 3209 3070 18.01      
17 A" 3192 3053 4.68      
18 A" 1332 1274 24.59      
19 A" 1237 1183 0.02      
20 A" 1089 1042 3.80      
21 A" 1058 1012 9.37      
22 A" 1049 1003 0.61      
23 A" 965 923 5.13      
24 A" 912 872 7.68      
25 A" 838 802 2.61      
26 A" 792 758 34.51      
27 A" 459 439 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 20302.6 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 19419.4 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/6-311G**
ABC
0.36555 0.21776 0.17501

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.267 1.054 0.669
C2 -0.267 1.054 -0.669
C3 -0.267 -0.461 0.758
C4 -0.267 -0.461 -0.758
C5 0.924 -1.009 0.000
H6 -0.128 1.823 1.418
H7 -0.128 1.823 -1.418
H8 -0.883 -1.082 1.393
H9 -0.883 -1.082 -1.393
H10 1.858 -0.455 0.000
H11 1.031 -2.091 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.33701.51682.08042.47381.08332.22822.33823.03202.69063.4673
C21.33702.08041.51682.47382.22821.08333.03202.33822.69063.4673
C31.51682.08041.51631.51502.38133.15761.08152.32272.25662.2180
C42.08041.51681.51631.51503.15762.38132.32271.08152.25662.2180
C52.47382.47381.51501.51503.33743.33742.28352.28351.08581.0878
H61.08332.22822.38133.15763.33742.83573.00254.11293.33824.3217
H72.22821.08333.15762.38133.33742.83574.11293.00253.33824.3217
H82.33823.03201.08152.32272.28353.00254.11292.78643.13872.5736
H93.03202.33822.32271.08152.28354.11293.00252.78643.13872.5736
H102.69062.69062.25662.25661.08583.33823.33823.13873.13871.8338
H113.46733.46732.21802.21801.08784.32174.32172.57362.57361.8338

picture of Bicyclo[2.1.0]pent-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 93.388 C1 C2 H7 133.767
C1 C3 C4 86.612 C1 C3 C5 109.369
C1 C3 H8 127.497 C2 C1 C3 93.388
C2 C1 H6 133.767 C2 C4 C3 86.612
C2 C4 C5 109.369 C2 C4 H9 127.497
C3 C1 H6 131.948 C3 C4 C5 59.971
C3 C4 H9 125.957 C3 C5 C4 60.059
C3 C5 H10 119.457 C3 C5 H11 115.926
C4 C2 H7 131.948 C4 C3 C5 59.971
C4 C3 H8 125.957 C4 C5 H10 119.457
C4 C5 H11 115.926 C5 C3 H8 122.267
C5 C4 H9 122.267 H10 C5 H11 115.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 C -0.090      
3 C -0.179      
4 C -0.179      
5 C -0.188      
6 H 0.102      
7 H 0.102      
8 H 0.130      
9 H 0.130      
10 H 0.131      
11 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.145 -0.368 0.000 0.396
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.368 0.811 0.000
y 0.811 -28.115 0.000
z 0.000 0.000 -29.646
Traceless
 xyz
x -2.487 0.811 0.000
y 0.811 2.392 0.000
z 0.000 0.000 0.095
Polar
3z2-r20.191
x2-y2-3.253
xy0.811
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.975 -0.463 0.000
y -0.463 7.919 0.000
z 0.000 0.000 7.618


<r2> (average value of r2) Å2
<r2> 87.223
(<r2>)1/2 9.339