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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-231.775079
Energy at 298.15K-231.784942
HF Energy-231.775079
Nuclear repulsion energy232.183033
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 3427 3079 15.58      
2 A1 3298 2963 10.95      
3 A1 3292 2958 57.20      
4 A1 3233 2905 55.73      
5 A1 1789 1608 1.49      
6 A1 1670 1501 0.02      
7 A1 1416 1272 0.45      
8 A1 1241 1115 0.67      
9 A1 1170 1051 0.21      
10 A1 1076 966 0.17      
11 A1 1022 918 0.40      
12 A1 923 829 1.52      
13 A1 579 520 0.30      
14 A2 1360 1222 0.00      
15 A2 1241 1115 0.00      
16 A2 1166 1048 0.00      
17 A2 1044 938 0.00      
18 A2 915 822 0.00      
19 A2 580 521 0.00      
20 B1 3286 2952 54.93      
21 B1 3220 2894 62.11      
22 B1 1636 1470 0.00      
23 B1 1369 1230 0.11      
24 B1 1104 992 3.43      
25 B1 897 806 8.77      
26 B1 780 701 45.04      
27 B1 499 448 7.36      
28 B2 3399 3054 8.89      
29 B2 3294 2959 111.09      
30 B2 1473 1323 14.83      
31 B2 1387 1246 1.75      
32 B2 1376 1236 5.89      
33 B2 1212 1089 4.98      
34 B2 989 888 0.08      
35 B2 910 818 7.38      
36 B2 791 711 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 29029.2 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 26082.8 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 HF/6-31G*
ABC
0.19763 0.15765 0.14472

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 -0.280
C4 0.000 1.015 -0.280
C5 1.058 0.000 -0.806
C6 -1.058 0.000 -0.806
H7 0.000 1.350 2.034
H8 0.000 -1.350 2.034
H9 0.000 -2.058 -0.567
H10 0.000 2.058 -0.567
H11 2.032 0.000 -0.333
H12 -2.032 0.000 -0.333
H13 -1.157 0.000 -1.887
H14 1.157 0.000 -1.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.32152.24401.53372.37172.37171.07282.17253.24902.26212.63702.63703.37273.3727
C21.32151.53372.24402.37172.37172.17251.07282.26213.24902.63702.63703.37273.3727
C32.24401.53372.03061.55731.55733.30922.33821.08153.08672.27242.27242.22462.2246
C41.53372.24402.03061.55731.55732.33823.30923.08671.08152.27242.27242.22462.2246
C52.37172.37171.55731.55732.11543.31713.31712.32622.32621.08313.12592.46421.0856
C62.37172.37171.55731.55732.11543.31713.31712.32622.32623.12591.08311.08562.4642
H71.07282.17253.30922.33823.31713.31712.70054.28722.69543.39943.39944.30474.3047
H82.17251.07282.33823.30923.31713.31712.70052.69544.28723.39943.39944.30474.3047
H93.24902.26211.08153.08672.32622.32624.28722.69544.11612.90182.90182.70462.7046
H102.26213.24903.08671.08152.32622.32622.69544.28724.11612.90182.90182.70462.7046
H112.63702.63702.27242.27241.08313.12593.39943.39942.90182.90184.06473.54731.7832
H122.63702.63702.27242.27243.12591.08313.39943.39942.90182.90184.06471.78323.5473
H133.37273.37272.22462.22462.46421.08564.30474.30472.70462.70463.54731.78322.3135
H143.37273.37272.22462.22461.08562.46424.30474.30472.70462.70461.78323.54732.3135

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 103.366 C1 C2 H8 129.994
C1 C4 C5 100.219 C1 C4 C6 100.219
C1 C4 H10 118.742 C2 C1 C4 103.366
C2 C1 H7 129.994 C2 C3 C5 100.219
C2 C3 C6 100.219 C2 C3 H9 118.742
C3 C2 H8 126.640 C3 C5 C4 81.375
C3 C5 H11 117.650 C3 C5 H14 113.442
C3 C6 C4 81.375 C3 C6 H12 117.650
C3 C6 H13 113.442 C4 C1 H7 126.640
C4 C5 H11 117.650 C4 C5 H14 113.442
C4 C6 H12 117.650 C4 C6 H13 113.442
C5 C3 C6 85.555 C5 C3 H9 122.627
C5 C4 C6 85.555 C5 C4 H10 122.627
C6 C3 H9 122.627 C6 C4 H10 122.627
H11 C5 H14 110.622 H12 C6 H13 110.622
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 -0.179      
2 C -0.179      
3 C -0.228      
4 C -0.228      
5 C -0.289      
6 C -0.289      
7 H 0.196      
8 H 0.196      
9 H 0.174      
10 H 0.174      
11 H 0.167      
12 H 0.167      
13 H 0.160      
14 H 0.160      


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 -0.110 0.110
CHELPG 0.000 0.000 -0.092 0.092
AIM 0.000 0.000 0.109 0.109
ESP 0.008 0.000 -0.114 0.114


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.419 0.000 0.000
y 0.000 -35.437 0.008
z 0.000 0.008 -35.877
Traceless
 xyz
x -2.762 0.000 0.000
y 0.000 1.711 0.008
z 0.000 0.008 1.051
Polar
3z2-r22.103
x2-y2-2.982
xy0.000
xz0.000
yz0.008


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.840 0.000 0.000
y 0.000 8.520 0.002
z 0.000 0.002 8.266


<r2> (average value of r2) Å2
<r2> 119.540
(<r2>)1/2 10.933