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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-233.377107
Energy at 298.15K-233.386565
Nuclear repulsion energy230.579407
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 B3LYP/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 3251 3124 13.01      
2 A1 3126 3004 27.16      
3 A1 3126 3003 27.70      
4 A1 3059 2939 43.19      
5 A1 1638 1574 1.21      
6 A1 1528 1469 0.01      
7 A1 1283 1232 1.01      
8 A1 1147 1102 0.92      
9 A1 1072 1030 0.15      
10 A1 998 959 0.01      
11 A1 951 914 0.01      
12 A1 854 821 1.34      
13 A1 531 510 0.41      
14 A2 1235 1186 0.00      
15 A2 1117 1073 0.00      
16 A2 1071 1029 0.00      
17 A2 910 874 0.00      
18 A2 841 808 0.00      
19 A2 537 516 0.00      
20 B1 3121 2999 38.50      
21 B1 3048 2929 57.83      
22 B1 1495 1437 0.13      
23 B1 1242 1193 0.66      
24 B1 1012 973 2.22      
25 B1 826 793 3.58      
26 B1 691 663 34.85      
27 B1 453 435 5.82      
28 B2 3225 3099 6.39      
29 B2 3124 3002 90.27      
30 B2 1343 1290 11.59      
31 B2 1265 1216 0.55      
32 B2 1235 1187 6.85      
33 B2 1112 1069 3.93      
34 B2 914 878 0.28      
35 B2 850 816 5.65      
36 B2 731 702 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 26980.4 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 25922.8 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 B3LYP/6-31G**
ABC
0.19445 0.15594 0.14295

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 1.216
C2 0.000 -0.669 1.216
C3 0.000 -1.022 -0.280
C4 0.000 1.022 -0.280
C5 1.066 0.000 -0.810
C6 -1.066 0.000 -0.810
H7 0.000 1.367 2.044
H8 0.000 -1.367 2.044
H9 0.000 -2.074 -0.572
H10 0.000 2.074 -0.572
H11 2.048 0.000 -0.328
H12 -2.048 0.000 -0.328
H13 -1.165 0.000 -1.901
H14 1.165 0.000 -1.901

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33892.25831.53722.38482.38481.08282.19863.27462.27392.65072.65073.39443.3944
C21.33891.53722.25832.38482.38482.19861.08282.27393.27462.65072.65073.39443.3944
C32.25831.53722.04401.56851.56853.33322.34971.09153.10932.28902.28902.24252.2425
C41.53722.25832.04401.56851.56852.34973.33323.10931.09152.28902.28902.24252.2425
C52.38482.38481.56851.56852.13113.33893.33892.34342.34341.09363.15012.48321.0959
C62.38482.38481.56851.56852.13113.33893.33892.34342.34343.15011.09361.09592.4832
H71.08282.19863.33322.34973.33893.33892.73464.32272.71013.41913.41914.33474.3347
H82.19861.08282.34973.33323.33893.33892.73462.71014.32273.41913.41914.33474.3347
H93.27462.27391.09153.10932.34342.34344.32272.71014.14722.92442.92442.72432.7243
H102.27393.27463.10931.09152.34342.34342.71014.32274.14722.92442.92442.72432.7243
H112.65072.65072.28902.28901.09363.15013.41913.41912.92442.92444.09523.57691.8034
H122.65072.65072.28902.28903.15011.09363.41913.41912.92442.92444.09521.80343.5769
H133.39443.39442.24252.24252.48321.09594.33474.33472.72432.72433.57691.80342.3300
H143.39443.39442.24252.24251.09592.48324.33474.33472.72432.72431.80343.57692.3300

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 103.257 C1 C2 H8 130.130
C1 C4 C5 100.320 C1 C4 C6 100.320
C1 C4 H10 118.790 C2 C1 C4 103.257
C2 C1 H7 130.130 C2 C3 C5 100.320
C2 C3 C6 100.320 C2 C3 H9 118.790
C3 C2 H8 126.614 C3 C5 C4 81.321
C3 C5 H11 117.483 C3 C5 H14 113.442
C3 C6 C4 81.321 C3 C6 H12 117.483
C3 C6 H13 113.442 C4 C1 H7 126.614
C4 C5 H11 117.483 C4 C5 H14 113.442
C4 C6 H12 117.483 C4 C6 H13 113.442
C5 C3 C6 85.585 C5 C3 H9 122.506
C5 C4 C6 85.585 C5 C4 H10 122.506
C6 C3 H9 122.506 C6 C4 H10 122.506
H11 C5 H14 110.899 H12 C6 H13 110.899
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.057      
2 C -0.057      
3 C -0.117      
4 C -0.117      
5 C -0.152      
6 C -0.152      
7 H 0.082      
8 H 0.082      
9 H 0.066      
10 H 0.066      
11 H 0.091      
12 H 0.091      
13 H 0.088      
14 H 0.088      


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 -0.151 0.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.792 0.000 0.000
y 0.000 -35.317 0.000
z 0.000 0.000 -35.554
Traceless
 xyz
x -2.357 0.000 0.000
y 0.000 1.355 0.000
z 0.000 0.000 1.001
Polar
3z2-r22.003
x2-y2-2.475
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.188 0.000 0.000
y 0.000 8.775 0.000
z 0.000 0.000 8.835


<r2> (average value of r2) Å2
<r2> 120.606
(<r2>)1/2 10.982