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

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-194.029050
Energy at 298.15K-194.035382
HF Energy-194.029050
Nuclear repulsion energy160.933267
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/aug-cc-pVTZ
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' 3233 3092 2.41      
2 A' 3224 3084 39.48      
3 A' 3213 3074 1.86      
4 A' 3125 2990 27.54      
5 A' 1635 1565 9.46      
6 A' 1490 1426 3.15      
7 A' 1317 1260 0.89      
8 A' 1217 1164 0.77      
9 A' 1129 1080 1.99      
10 A' 1050 1005 1.72      
11 A' 977 935 4.15      
12 A' 896 857 2.31      
13 A' 822 786 0.44      
14 A' 752 720 73.56      
15 A' 431 412 7.21      
16 A" 3216 3077 14.71      
17 A" 3196 3057 4.98      
18 A" 1339 1281 23.93      
19 A" 1249 1195 0.01      
20 A" 1092 1045 1.62      
21 A" 1064 1018 11.29      
22 A" 1048 1003 0.00      
23 A" 967 925 5.21      
24 A" 914 875 6.62      
25 A" 838 802 2.64      
26 A" 791 756 32.68      
27 A" 460 440 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 20343.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 19460.7 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/aug-cc-pVTZ
ABC
0.36724 0.21884 0.17576

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.267 1.051 0.667
C2 -0.267 1.051 -0.667
C3 -0.267 -0.460 0.757
C4 -0.267 -0.460 -0.757
C5 0.922 -1.005 0.000
H6 -0.128 1.819 1.414
H7 -0.128 1.819 -1.414
H8 -0.880 -1.081 1.391
H9 -0.880 -1.081 -1.391
H10 1.853 -0.451 0.000
H11 1.029 -2.085 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
C11.33431.51332.07602.46711.08072.22312.33313.02582.68203.4579
C21.33432.07601.51332.46712.22311.08073.02582.33312.68203.4579
C31.51332.07601.51381.51122.37603.15081.07852.31832.25042.2120
C42.07601.51331.51381.51123.15082.37602.31831.07852.25042.2120
C52.46712.46711.51121.51123.32903.32902.27742.27741.08291.0847
H61.08072.22312.37603.15083.32902.82882.99584.10423.32864.3106
H72.22311.08073.15082.37603.32902.82884.10422.99583.32864.3106
H82.33313.02581.07852.31832.27742.99584.10422.78193.12972.5664
H93.02582.33312.31831.07852.27744.10422.99582.78193.12972.5664
H102.68202.68202.25042.25041.08293.32863.32863.12973.12971.8291
H113.45793.45792.21202.21201.08474.31064.31062.56642.56641.8291

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 93.400 C1 C2 H7 133.747
C1 C3 C4 86.600 C1 C3 C5 109.311
C1 C3 H8 127.560 C2 C1 C3 93.400
C2 C1 H6 133.747 C2 C4 C3 86.600
C2 C4 C5 109.311 C2 C4 H9 127.560
C3 C1 H6 131.966 C3 C4 C5 59.944
C3 C4 H9 126.008 C3 C5 C4 60.112
C3 C5 H10 119.423 C3 C5 H11 115.911
C4 C2 H7 131.966 C4 C3 C5 59.944
C4 C3 H8 126.008 C4 C5 H10 119.423
C4 C5 H11 115.911 C5 C3 H8 122.248
C5 C4 H9 122.248 H10 C5 H11 115.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.586      
2 C -0.586      
3 C -0.233      
4 C -0.233      
5 C -0.742      
6 H 0.410      
7 H 0.410      
8 H 0.480      
9 H 0.480      
10 H 0.383      
11 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.157 -0.416 0.000 0.445
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.529 0.780 0.000
y 0.780 -28.443 0.000
z 0.000 0.000 -29.598
Traceless
 xyz
x -2.509 0.780 0.000
y 0.780 2.121 0.000
z 0.000 0.000 0.388
Polar
3z2-r20.776
x2-y2-3.087
xy0.780
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.177 -0.487 0.000
y -0.487 8.665 0.000
z 0.000 0.000 8.295


<r2> (average value of r2) Å2
<r2> 86.999
(<r2>)1/2 9.327