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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-233.365008
Energy at 298.15K-233.374452
Nuclear repulsion energy230.549095
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 3254 3125 14.51      
2 A1 3130 3006 9.87      
3 A1 3127 3003 45.79      
4 A1 3064 2942 46.40      
5 A1 1640 1575 1.14      
6 A1 1543 1481 0.00      
7 A1 1288 1237 1.00      
8 A1 1150 1105 0.97      
9 A1 1077 1034 0.17      
10 A1 1001 961 0.01      
11 A1 954 916 0.01      
12 A1 856 822 1.32      
13 A1 533 512 0.40      
14 A2 1239 1190 0.00      
15 A2 1119 1075 0.00      
16 A2 1074 1031 0.00      
17 A2 903 868 0.00      
18 A2 842 809 0.00      
19 A2 538 516 0.00      
20 B1 3123 2999 42.34      
21 B1 3053 2932 56.41      
22 B1 1510 1450 0.09      
23 B1 1244 1195 0.74      
24 B1 1019 978 2.16      
25 B1 827 794 3.70      
26 B1 689 661 35.63      
27 B1 453 435 6.44      
28 B2 3229 3100 7.98      
29 B2 3128 3004 93.99      
30 B2 1348 1295 11.72      
31 B2 1270 1219 0.61      
32 B2 1240 1191 7.15      
33 B2 1116 1072 3.91      
34 B2 916 880 0.24      
35 B2 851 818 5.73      
36 B2 732 703 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 27039.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 25965.7 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 B3LYP/6-31G*
ABC
0.19438 0.15594 0.14294

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 0.670 1.216
C2 0.000 -0.670 1.216
C3 0.000 -1.022 -0.280
C4 0.000 1.022 -0.280
C5 1.066 0.000 -0.809
C6 -1.066 0.000 -0.809
H7 0.000 1.369 2.044
H8 0.000 -1.369 2.044
H9 0.000 -2.074 -0.573
H10 0.000 2.074 -0.573
H11 2.048 0.000 -0.328
H12 -2.048 0.000 -0.328
H13 -1.166 0.000 -1.902
H14 1.166 0.000 -1.902

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33922.25821.53702.38462.38461.08352.19993.27542.27442.65092.65093.39533.3953
C21.33921.53702.25822.38462.38462.19991.08352.27443.27542.65092.65093.39533.3953
C32.25821.53702.04401.56851.56853.33402.34961.09223.11012.28972.28972.24362.2436
C41.53702.25822.04401.56851.56852.34963.33403.11011.09222.28972.28972.24362.2436
C52.38462.38461.56851.56852.13113.33913.33912.34392.34391.09463.15102.48451.0968
C62.38462.38461.56851.56852.13113.33913.33912.34392.34393.15101.09461.09682.4845
H71.08352.19993.33402.34963.33913.33912.73734.32442.71013.41963.41964.33594.3359
H82.19991.08352.34963.33403.33913.33912.73732.71014.32443.41963.41964.33594.3359
H93.27542.27441.09223.11012.34392.34394.32442.71014.14852.92552.92552.72542.7254
H102.27443.27543.11011.09222.34392.34392.71014.32444.14852.92552.92552.72542.7254
H112.65092.65092.28972.28971.09463.15103.41963.41962.92552.92554.09683.57901.8045
H122.65092.65092.28972.28973.15101.09463.41963.41962.92552.92554.09681.80453.5790
H133.39533.39532.24362.24362.48451.09684.33594.33592.72542.72543.57901.80452.3319
H143.39533.39532.24362.24361.09682.48454.33594.33592.72542.72541.80453.57902.3319

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 103.256 C1 C2 H8 130.181
C1 C4 C5 100.319 C1 C4 C6 100.319
C1 C4 H10 118.804 C2 C1 C4 103.256
C2 C1 H7 130.181 C2 C3 C5 100.319
C2 C3 C6 100.319 C2 C3 H9 118.804
C3 C2 H8 126.563 C3 C5 C4 81.321
C3 C5 H11 117.480 C3 C5 H14 113.471
C3 C6 C4 81.321 C3 C6 H12 117.480
C3 C6 H13 113.471 C4 C1 H7 126.563
C4 C5 H11 117.480 C4 C5 H14 113.471
C4 C6 H12 117.480 C4 C6 H13 113.471
C5 C3 C6 85.585 C5 C3 H9 122.497
C5 C4 C6 85.585 C5 C4 H10 122.497
C6 C3 H9 122.497 C6 C4 H10 122.497
H11 C5 H14 110.862 H12 C6 H13 110.862
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 -0.105 -0.201   -0.232
2 C -0.105 -0.201   -0.232
3 C -0.146 0.244   0.218
4 C -0.146 0.244   0.218
5 C -0.253 -0.278   -0.348
6 C -0.253 -0.278   -0.358
7 H 0.127 0.112   0.139
8 H 0.127 0.112   0.139
9 H 0.113 -0.019   0.014
10 H 0.113 -0.019   0.014
11 H 0.135 0.066   0.108
12 H 0.135 0.066   0.111
13 H 0.129 0.075   0.106
14 H 0.129 0.075   0.102


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 -0.143 0.143
CHELPG 0.000 0.000 -0.129 0.129
AIM        
ESP 0.007 0.000 -0.150 0.150


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.827 0.000 0.000
y 0.000 -35.285 0.000
z 0.000 0.000 -35.521
Traceless
 xyz
x -2.424 0.000 0.000
y 0.000 1.389 0.000
z 0.000 0.000 1.035
Polar
3z2-r22.070
x2-y2-2.542
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.111 0.000 0.000
y 0.000 8.685 0.000
z 0.000 0.000 8.757


<r2> (average value of r2) Å2
<r2> 120.625
(<r2>)1/2 10.983