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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-231.676873
Energy at 298.15K-231.686790
Nuclear repulsion energy231.097211
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 3441 3107 14.12      
2 A1 3318 2996 10.83      
3 A1 3302 2981 47.02      
4 A1 3232 2918 46.15      
5 A1 1770 1598 1.48      
6 A1 1666 1504 0.28      
7 A1 1407 1270 2.55      
8 A1 1245 1124 1.20      
9 A1 1173 1059 0.02      
10 A1 1078 974 0.10      
11 A1 1014 916 0.55      
12 A1 932 841 1.51      
13 A1 580 523 0.43      
14 A2 1383 1249 0.00      
15 A2 1240 1120 0.00      
16 A2 1174 1060 0.00      
17 A2 1092 986 0.00      
18 A2 900 812 0.00      
19 A2 590 533 0.00      
20 B1 3295 2975 42.89      
21 B1 3221 2908 54.22      
22 B1 1636 1477 1.00      
23 B1 1356 1224 0.30      
24 B1 1104 997 6.02      
25 B1 890 804 27.58      
26 B1 812 733 49.20      
27 B1 512 462 8.15      
28 B2 3408 3078 5.65      
29 B2 3311 2989 90.17      
30 B2 1466 1324 19.04      
31 B2 1407 1270 0.08      
32 B2 1363 1231 7.73      
33 B2 1221 1103 4.46      
34 B2 990 894 0.04      
35 B2 899 812 8.77      
36 B2 797 719 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 29111.1 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 26284.4 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
0.19507 0.15622 0.14342

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 0.664 1.216
C2 0.000 -0.664 1.216
C3 0.000 -1.024 -0.280
C4 0.000 1.024 -0.280
C5 1.067 0.000 -0.811
C6 -1.067 0.000 -0.811
H7 0.000 1.352 2.035
H8 0.000 -1.352 2.035
H9 0.000 -2.063 -0.563
H10 0.000 2.063 -0.563
H11 2.036 0.000 -0.333
H12 -2.036 0.000 -0.333
H13 -1.167 0.000 -1.889
H14 1.167 0.000 -1.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.32892.25571.53842.38462.38461.06942.17633.25672.26332.64292.64293.38303.3830
C21.32891.53842.25572.38462.38462.17631.06942.26333.25672.64292.64293.38303.3830
C32.25571.53842.04791.57091.57093.31722.33821.07733.10022.27922.27922.23602.2360
C41.53842.25572.04791.57091.57092.33823.31723.10021.07732.27922.27922.23602.2360
C52.38462.38461.57091.57092.13303.32633.32632.33582.33581.08043.13862.47991.0831
C62.38462.38461.57091.57092.13303.32633.32632.33582.33583.13861.08041.08312.4799
H71.06942.17633.31722.33823.32633.32632.70354.29132.69433.40303.40304.31164.3116
H82.17631.06942.33823.31723.32633.32632.70352.69434.29133.40303.40304.31164.3116
H93.25672.26331.07733.10022.33582.33584.29132.69434.12662.90752.90752.71592.7159
H102.26333.25673.10021.07732.33582.33582.69434.29134.12662.90752.90752.71592.7159
H112.64292.64292.27922.27921.08043.13863.40303.40302.90752.90754.07113.56021.7823
H122.64292.64292.27922.27923.13861.08043.40303.40302.90752.90754.07111.78233.5602
H133.38303.38302.23602.23602.47991.08314.31164.31162.71592.71593.56021.78232.3331
H143.38303.38302.23602.23601.08312.47994.31164.31162.71592.71591.78233.56022.3331

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 103.515 C1 C2 H8 129.991
C1 C4 C5 100.153 C1 C4 C6 100.153
C1 C4 H10 118.772 C2 C1 C4 103.515
C2 C1 H7 129.991 C2 C3 C5 100.153
C2 C3 C6 100.153 C2 C3 H9 118.772
C3 C2 H8 126.495 C3 C5 C4 81.358
C3 C5 H11 117.359 C3 C5 H14 113.530
C3 C6 C4 81.358 C3 C6 H12 117.359
C3 C6 H13 113.530 C4 C1 H7 126.495
C4 C5 H11 117.359 C4 C5 H14 113.530
C4 C6 H12 117.359 C4 C6 H13 113.530
C5 C3 C6 85.517 C5 C3 H9 122.677
C5 C4 C6 85.517 C5 C4 H10 122.677
C6 C3 H9 122.677 C6 C4 H10 122.677
H11 C5 H14 110.936 H12 C6 H13 110.936
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 -0.137 -0.227    
2 C -0.137 -0.227    
3 C -0.331 0.244    
4 C -0.331 0.244    
5 C -0.218 -0.299    
6 C -0.218 -0.299    
7 H 0.203 0.130    
8 H 0.203 0.130    
9 H 0.165 -0.009    
10 H 0.165 -0.009    
11 H 0.163 0.076    
12 H 0.163 0.076    
13 H 0.155 0.084    
14 H 0.155 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 -0.167 0.167
CHELPG 0.000 0.000 -0.155 0.155
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.795 0.000 0.000
y 0.000 -35.812 0.000
z 0.000 0.000 -36.146
Traceless
 xyz
x -2.816 0.000 0.000
y 0.000 1.658 0.000
z 0.000 0.000 1.158
Polar
3z2-r22.315
x2-y2-2.983
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.830 0.000 0.000
y 0.000 8.554 0.000
z 0.000 0.000 8.231


<r2> (average value of r2) Å2
<r2> 120.614
(<r2>)1/2 10.982