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All results from a given calculation for C6H8 (Bicyclo[2.2.0]hex-1(4)-ene)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-37.319829
Energy at 298.15K-37.328421
Nuclear repulsion energy114.225805
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/CEP-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 Ag 3244 2924 0.00      
2 Ag 1909 1721 0.00      
3 Ag 1631 1470 0.00      
4 Ag 1336 1205 0.00      
5 Ag 936 844 0.00      
6 Ag 710 640 0.00      
7 Au 3287 2963 0.00      
8 Au 1250 1127 0.00      
9 Au 1066 961 0.00      
10 Au 237 214 0.00      
11 B1g 3228 2910 0.00      
12 B1g 1610 1451 0.00      
13 B1g 1393 1256 0.00      
14 B1g 1247 1124 0.00      
15 B1g 877 790 0.00      
16 B1u 3310 2984 265.95      
17 B1u 1183 1066 5.61      
18 B1u 879 792 1.34      
19 B1u 138 125 33.42      
20 B2g 3310 2984 0.00      
21 B2g 1139 1027 0.00      
22 B2g 820 739 0.00      
23 B2u 3230 2912 182.32      
24 B2u 1613 1454 0.40      
25 B2u 1358 1224 25.67      
26 B2u 1023 922 1.78      
27 B2u 420 378 11.57      
28 B3g 3287 2963 0.00      
29 B3g 1274 1148 0.00      
30 B3g 1053 949 0.00      
31 B3g 300 271 0.00      
32 B3u 3238 2919 240.89      
33 B3u 1628 1468 1.20      
34 B3u 1345 1212 5.20      
35 B3u 1328 1197 0.20      
36 B3u 877 791 3.74      

Unscaled Zero Point Vibrational Energy (zpe) 28356.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 25560.6 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/CEP-31G
ABC
0.27541 0.10978 0.08341

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 0.000
C2 0.000 -0.666 0.000
C3 1.549 -0.810 0.000
C4 1.549 0.810 0.000
C5 -1.549 0.810 0.000
C6 -1.549 -0.810 0.000
H7 -1.994 -1.258 0.886
H8 -1.994 -1.258 -0.886
H9 -1.994 1.258 0.886
H10 -1.994 1.258 -0.886
H11 1.994 -1.258 0.886
H12 1.994 -1.258 -0.886
H13 1.994 1.258 0.886
H14 1.994 1.258 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33132.13931.55561.55562.13932.90902.90902.26132.26132.90902.90902.26132.2613
C21.33131.55562.13932.13931.55562.26132.26132.90902.90902.26132.26132.90902.9090
C32.13931.55561.62003.49573.09773.67983.67984.19714.19711.08821.08822.29322.2932
C41.55562.13931.62003.09773.49574.19714.19713.67983.67982.29322.29321.08821.0882
C51.55562.13933.49573.09771.62002.29322.29321.08821.08824.19714.19713.67983.6798
C62.13931.55563.09773.49571.62001.08821.08822.29322.29323.67983.67984.19714.1971
H72.90902.26133.67984.19712.29321.08821.77242.51523.07693.98894.36494.71575.0377
H82.90902.26133.67984.19712.29321.08821.77243.07692.51524.36493.98895.03774.7157
H92.26132.90904.19713.67981.08822.29322.51523.07691.77244.71575.03773.98894.3649
H102.26132.90904.19713.67981.08822.29323.07692.51521.77245.03774.71574.36493.9889
H112.90902.26131.08822.29324.19713.67983.98894.36494.71575.03771.77242.51523.0769
H122.90902.26131.08822.29324.19713.67984.36493.98895.03774.71571.77243.07692.5152
H132.26132.90902.29321.08823.67984.19714.71575.03773.98894.36492.51523.07691.7724
H142.26132.90902.29321.08823.67984.19715.03774.71574.36493.98893.07692.51521.7724

picture of Bicyclo[2.2.0]hex-1(4)-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.323 C1 C2 C6 95.323
C1 C4 C3 84.677 C1 C4 H13 116.479
C1 C4 H14 116.479 C1 C5 C6 84.677
C1 C5 H9 116.479 C1 C5 H10 116.479
C2 C1 C4 95.323 C2 C1 C5 95.323
C2 C3 C4 84.677 C2 C3 H11 116.479
C2 C3 H12 116.479 C2 C6 C5 84.677
C2 C6 H7 116.479 C2 C6 H8 116.479
C3 C2 C6 169.354 C3 C4 H13 114.288
C3 C4 H14 114.288 C4 C1 C5 169.354
C4 C3 H11 114.288 C4 C3 H12 114.288
C5 C6 H7 114.288 C5 C6 H8 114.288
C6 C5 H9 114.288 C6 C5 H10 114.288
H7 C6 H8 109.045 H9 C5 H10 109.045
H11 C3 H12 109.045 H13 C4 H14 109.045
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.372      
2 C -0.372      
3 C -0.035      
4 C -0.035      
5 C -0.035      
6 C -0.035      
7 H 0.111      
8 H 0.111      
9 H 0.111      
10 H 0.111      
11 H 0.111      
12 H 0.111      
13 H 0.111      
14 H 0.111      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.111 0.000 0.000
y 0.000 -38.020 0.000
z 0.000 0.000 -37.059
Traceless
 xyz
x 2.428 0.000 0.000
y 0.000 -1.935 0.000
z 0.000 0.000 -0.493
Polar
3z2-r2-0.986
x2-y22.908
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.264 0.000 0.000
y 0.000 9.231 0.000
z 0.000 0.000 5.855


<r2> (average value of r2) Å2
<r2> 126.121
(<r2>)1/2 11.230