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

using model chemistry: B3LYP/CEP-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/CEP-31G*
 hartrees
Energy at 0K-38.619316
Energy at 298.15K-38.628684
Nuclear repulsion energy119.882914
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/CEP-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 3228 3118 11.71      
2 A1 3124 3017 77.42      
3 A1 3113 3006 10.14      
4 A1 3054 2949 61.50      
5 A1 1614 1559 4.90      
6 A1 1521 1468 0.05      
7 A1 1269 1225 1.54      
8 A1 1131 1092 2.68      
9 A1 1052 1016 0.05      
10 A1 985 951 0.40      
11 A1 949 917 0.06      
12 A1 843 815 2.43      
13 A1 521 503 0.35      
14 A2 1219 1178 0.00      
15 A2 1111 1073 0.00      
16 A2 1056 1020 0.00      
17 A2 899 869 0.00      
18 A2 839 810 0.00      
19 A2 525 507 0.00      
20 B1 3117 3010 38.04      
21 B1 3042 2938 75.90      
22 B1 1485 1435 0.44      
23 B1 1226 1184 1.03      
24 B1 988 954 6.37      
25 B1 818 790 11.24      
26 B1 688 665 65.59      
27 B1 449 434 13.91      
28 B2 3199 3089 6.91      
29 B2 3108 3001 101.42      
30 B2 1329 1283 15.60      
31 B2 1238 1195 1.54      
32 B2 1225 1183 12.42      
33 B2 1097 1060 3.80      
34 B2 904 873 0.43      
35 B2 850 821 10.72      
36 B2 721 696 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 26767.1 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 25849.0 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/CEP-31G*
ABC
0.19042 0.15375 0.14047

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.681 1.240
C2 0.000 -0.681 1.240
C3 0.000 -1.033 -0.267
C4 0.000 1.033 -0.267
C5 1.075 0.000 -0.798
C6 -1.075 0.000 -0.798
H7 0.000 1.382 2.077
H8 0.000 -1.382 2.077
H9 0.000 -2.092 -0.562
H10 0.000 2.092 -0.562
H11 2.065 0.000 -0.315
H12 -2.065 0.000 -0.315
H13 -1.170 0.000 -1.899
H14 1.170 0.000 -1.899

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.36262.28261.54722.40212.40211.09152.22653.30762.28862.67312.67313.41803.4180
C21.36261.54722.28262.40212.40212.22651.09152.28863.30762.67312.67313.41803.4180
C32.28261.54722.06691.58271.58273.36552.36931.09943.13982.30982.30982.25832.2583
C41.54722.28262.06691.58271.58272.36933.36553.13981.09942.30982.30982.25832.2583
C52.40212.40211.58271.58272.14973.36553.36552.36422.36421.10173.17692.50041.1052
C62.40212.40211.58271.58272.14973.36553.36552.36422.36423.17691.10171.10522.5004
H71.09152.22653.36552.36933.36553.36552.76394.36282.73263.44873.44874.36834.3683
H82.22651.09152.36933.36553.36553.36552.76392.73264.36283.44873.44874.36834.3683
H93.30762.28861.09943.13982.36422.36424.36282.73264.18492.95032.95032.74492.7449
H102.28863.30763.13981.09942.36422.36422.73264.36284.18492.95032.95032.74492.7449
H112.67312.67312.30982.30981.10173.17693.44873.44872.95032.95034.13033.60211.8193
H122.67312.67312.30982.30983.17691.10173.44873.44872.95032.95034.13031.81933.6021
H133.41803.41802.25832.25832.50041.10524.36834.36832.74492.74493.60211.81932.3401
H143.41803.41802.25832.25831.10522.50044.36834.36832.74492.74491.81933.60212.3401

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 103.155 C1 C2 H8 129.935
C1 C4 C5 100.248 C1 C4 C6 100.248
C1 C4 H10 118.723 C2 C1 C4 103.155
C2 C1 H7 129.935 C2 C3 C5 100.248
C2 C3 C6 100.248 C2 C3 H9 118.723
C3 C2 H8 126.911 C3 C5 C4 81.530
C3 C5 H11 117.614 C3 C5 H14 113.116
C3 C6 C4 81.530 C3 C6 H12 117.614
C3 C6 H13 113.116 C4 C1 H7 126.911
C4 C5 H11 117.614 C4 C5 H14 113.116
C4 C6 H12 117.614 C4 C6 H13 113.116
C5 C3 C6 85.550 C5 C3 H9 122.616
C5 C4 C6 85.550 C5 C4 H10 122.616
C6 C3 H9 122.616 C6 C4 H10 122.616
H11 C5 H14 111.046 H12 C6 H13 111.046
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 C -0.381      
3 C -0.028      
4 C -0.028      
5 C -0.513      
6 C -0.513      
7 H 0.315      
8 H 0.315      
9 H 0.256      
10 H 0.256      
11 H 0.206      
12 H 0.206      
13 H 0.146      
14 H 0.146      


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 -0.363 0.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.060 0.000 0.000
y 0.000 -34.826 0.000
z 0.000 0.000 -35.195
Traceless
 xyz
x -3.049 0.000 0.000
y 0.000 1.801 0.000
z 0.000 0.000 1.248
Polar
3z2-r22.495
x2-y2-3.233
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.745 0.000 0.000
y 0.000 9.057 0.000
z 0.000 0.000 8.835


<r2> (average value of r2) Å2
<r2> 102.465
(<r2>)1/2 10.122