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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-233.359124
Energy at 298.15K-233.368633
Nuclear repulsion energy231.736467
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 mPW1PW91/6-311G*
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 3263 3114 14.36      
2 A1 3144 3000 15.09      
3 A1 3140 2997 47.87      
4 A1 3071 2931 47.57      
5 A1 1645 1570 1.68      
6 A1 1528 1459 0.32      
7 A1 1286 1227 3.23      
8 A1 1154 1101 1.94      
9 A1 1073 1024 0.04      
10 A1 1010 964 0.19      
11 A1 970 926 0.02      
12 A1 862 823 1.89      
13 A1 532 508 0.48      
14 A2 1233 1177 0.00      
15 A2 1122 1071 0.00      
16 A2 1079 1030 0.00      
17 A2 916 874 0.00      
18 A2 864 824 0.00      
19 A2 542 517 0.00      
20 B1 3135 2992 38.67      
21 B1 3061 2921 68.45      
22 B1 1494 1426 2.26      
23 B1 1243 1186 3.22      
24 B1 1014 968 3.17      
25 B1 842 803 4.78      
26 B1 689 658 52.32      
27 B1 452 432 10.49      
28 B2 3236 3088 9.36      
29 B2 3141 2998 99.41      
30 B2 1345 1284 17.81      
31 B2 1265 1207 1.07      
32 B2 1240 1184 12.55      
33 B2 1118 1067 3.99      
34 B2 927 885 0.15      
35 B2 865 825 9.68      
36 B2 744 710 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 27121.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 25884.3 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 mPW1PW91/6-311G*
ABC
0.19641 0.15780 0.14443

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 1.209
C2 0.000 -0.667 1.209
C3 0.000 -1.017 -0.280
C4 0.000 1.017 -0.280
C5 1.059 0.000 -0.804
C6 -1.059 0.000 -0.804
H7 0.000 1.362 2.037
H8 0.000 -1.362 2.037
H9 0.000 -2.067 -0.572
H10 0.000 2.067 -0.572
H11 2.038 0.000 -0.322
H12 -2.038 0.000 -0.322
H13 -1.157 0.000 -1.893
H14 1.157 0.000 -1.893

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33352.24751.52902.36952.36951.08122.19123.26242.26522.63472.63473.37693.3769
C21.33351.52902.24752.36952.36952.19121.08122.26523.26242.63472.63473.37693.3769
C32.24751.52902.03481.55901.55903.32062.34181.08933.09792.27842.27842.23092.2309
C41.52902.24752.03481.55901.55902.34183.32063.09791.08932.27842.27842.23092.2309
C52.36952.36951.55901.55902.11733.32313.32312.33362.33361.09153.13402.46901.0938
C62.36952.36951.55901.55902.11733.32313.32312.33362.33363.13401.09151.09382.4690
H71.08122.19123.32062.34183.32313.32312.72404.30842.70233.40193.40194.31694.3169
H82.19121.08122.34183.32063.32313.32312.72402.70234.30843.40193.40194.31694.3169
H93.26242.26521.08933.09792.33362.33364.30842.70234.13342.91342.91342.71192.7119
H102.26523.26243.09791.08932.33362.33362.70234.30844.13342.91342.91342.71192.7119
H112.63472.63472.27842.27841.09153.13403.40193.40192.91342.91344.07633.56051.8013
H122.63472.63472.27842.27843.13401.09153.40193.40192.91342.91344.07631.80133.5605
H133.37693.37692.23092.23092.46901.09384.31694.31692.71192.71193.56051.80132.3139
H143.37693.37692.23092.23091.09382.46904.31694.31692.71192.71191.80133.56052.3139

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 130.021
C1 C4 C5 100.224 C1 C4 C6 100.224
C1 C4 H10 118.834 C2 C1 C4 103.257
C2 C1 H7 130.021 C2 C3 C5 100.224
C2 C3 C6 100.224 C2 C3 H9 118.834
C3 C2 H8 126.723 C3 C5 C4 81.476
C3 C5 H11 117.459 C3 C5 H14 113.315
C3 C6 C4 81.476 C3 C6 H12 117.459
C3 C6 H13 113.315 C4 C1 H7 126.723
C4 C5 H11 117.459 C4 C5 H14 113.315
C4 C6 H12 117.459 C4 C6 H13 113.315
C5 C3 C6 85.543 C5 C3 H9 122.573
C5 C4 C6 85.543 C5 C4 H10 122.573
C6 C3 H9 122.573 C6 C4 H10 122.573
H11 C5 H14 111.024 H12 C6 H13 111.024
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.159      
2 C -0.159      
3 C -0.290      
4 C -0.290      
5 C -0.368      
6 C -0.368      
7 H 0.196      
8 H 0.196      
9 H 0.186      
10 H 0.186      
11 H 0.217      
12 H 0.217      
13 H 0.217      
14 H 0.217      


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 -0.236 0.236
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.447 0.000 0.000
y 0.000 -35.346 0.000
z 0.000 0.000 -35.646
Traceless
 xyz
x -2.951 0.000 0.000
y 0.000 1.701 0.000
z 0.000 0.000 1.250
Polar
3z2-r22.500
x2-y2-3.101
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 119.770
(<r2>)1/2 10.944