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All results from a given calculation for C6H8 (Bicyclo[2.1.1]hex-2-ene)

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 C2V 1A1
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-231.788399
Energy at 298.15K-231.798272
Nuclear repulsion energy232.197524
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 A1 3410 3077 14.69      
2 A1 3279 2959 11.90      
3 A1 3274 2955 57.17      
4 A1 3212 2899 52.63      
5 A1 1788 1614 1.48      
6 A1 1656 1494 0.00      
7 A1 1410 1273 0.57      
8 A1 1237 1117 0.73      
9 A1 1164 1051 0.20      
10 A1 1073 968 0.16      
11 A1 1020 920 0.43      
12 A1 921 831 1.54      
13 A1 577 521 0.32      
14 A2 1355 1223 0.00      
15 A2 1237 1117 0.00      
16 A2 1162 1049 0.00      
17 A2 1046 944 0.00      
18 A2 913 824 0.00      
19 A2 579 523 0.00      
20 B1 3267 2949 50.78      
21 B1 3200 2888 65.43      
22 B1 1621 1463 0.03      
23 B1 1365 1232 0.14      
24 B1 1098 991 3.57      
25 B1 895 808 8.59      
26 B1 780 704 44.59      
27 B1 497 449 7.00      
28 B2 3381 3052 7.16      
29 B2 3274 2955 109.36      
30 B2 1467 1324 15.39      
31 B2 1381 1247 1.69      
32 B2 1370 1237 6.12      
33 B2 1207 1089 4.99      
34 B2 986 890 0.12      
35 B2 908 820 7.56      
36 B2 790 713 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 28899.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 26084.4 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 HF/6-31G**
ABC
0.19767 0.15766 0.14476

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.661 1.212
C2 0.000 -0.661 1.212
C3 0.000 -1.015 -0.281
C4 0.000 1.015 -0.281
C5 1.058 0.000 -0.806
C6 -1.058 0.000 -0.806
H7 0.000 1.349 2.034
H8 0.000 -1.349 2.034
H9 0.000 -2.058 -0.567
H10 0.000 2.058 -0.567
H11 2.033 0.000 -0.333
H12 -2.033 0.000 -0.333
H13 -1.156 0.000 -1.887
H14 1.156 0.000 -1.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.32132.24361.53362.37152.37151.07302.17193.24882.26182.63682.63683.37253.3725
C21.32131.53362.24362.37152.37152.17191.07302.26183.24882.63682.63683.37253.3725
C32.24361.53362.02991.55711.55713.30882.33891.08183.08642.27252.27252.22432.2243
C41.53362.24362.02991.55711.55712.33893.30883.08641.08182.27252.27252.22432.2243
C52.37152.37151.55711.55712.11563.31733.31732.32632.32631.08353.12642.46391.0860
C62.37152.37151.55711.55712.11563.31733.31732.32632.32633.12641.08351.08602.4639
H71.07302.17193.30882.33893.31733.31732.69874.28692.69603.39933.39934.30514.3051
H82.17191.07302.33893.30883.31733.31732.69872.69604.28693.39933.39934.30514.3051
H93.24882.26181.08183.08642.32632.32634.28692.69604.11632.90212.90212.70472.7047
H102.26183.24883.08641.08182.32632.32632.69604.28694.11632.90212.90212.70472.7047
H112.63682.63682.27252.27251.08353.12643.39933.39932.90212.90214.06533.54741.7845
H122.63682.63682.27252.27253.12641.08353.39933.39932.90212.90214.06531.78453.5474
H133.37253.37252.22432.22432.46391.08604.30514.30512.70472.70473.54741.78452.3122
H143.37253.37252.22432.22431.08602.46394.30514.30512.70472.70471.78453.54742.3122

picture of Bicyclo[2.1.1]hex-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 103.358 C1 C2 H8 129.933
C1 C4 C5 100.220 C1 C4 C6 100.220
C1 C4 H10 118.707 C2 C1 C4 103.358
C2 C1 H7 129.933 C2 C3 C5 100.220
C2 C3 C6 100.220 C2 C3 H9 118.707
C3 C2 H8 126.709 C3 C5 C4 81.355
C3 C5 H11 117.652 C3 C5 H14 113.406
C3 C6 C4 81.355 C3 C6 H12 117.652
C3 C6 H13 113.406 C4 C1 H7 126.709
C4 C5 H11 117.652 C4 C5 H14 113.406
C4 C6 H12 117.652 C4 C6 H13 113.406
C5 C3 C6 85.583 C5 C3 H9 122.637
C5 C4 C6 85.583 C5 C4 H10 122.637
C6 C3 H9 122.637 C6 C4 H10 122.637
H11 C5 H14 110.682 H12 C6 H13 110.682
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.124 -0.232    
2 C -0.124 -0.232    
3 C -0.189 0.294    
4 C -0.189 0.294    
5 C -0.177 -0.328    
6 C -0.177 -0.328    
7 H 0.144 0.128    
8 H 0.144 0.128    
9 H 0.119 -0.024    
10 H 0.119 -0.024    
11 H 0.116 0.078    
12 H 0.116 0.078    
13 H 0.111 0.084    
14 H 0.111 0.084    


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 -0.114 0.114
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.382 0.000 0.000
y 0.000 -35.443 0.000
z 0.000 0.000 -35.861
Traceless
 xyz
x -2.729 0.000 0.000
y 0.000 1.678 0.000
z 0.000 0.000 1.051
Polar
3z2-r22.103
x2-y2-2.938
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.931 0.000 0.000
y 0.000 8.622 0.000
z 0.000 0.000 8.353


<r2> (average value of r2) Å2
<r2> 119.518
(<r2>)1/2 10.932