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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-233.242660
Energy at 298.15K-233.251919
Nuclear repulsion energy228.771517
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 BLYP/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 3168 3143 16.79      
2 A1 3044 3020 29.93      
3 A1 3043 3020 29.47      
4 A1 2977 2954 47.13      
5 A1 1574 1562 1.38      
6 A1 1488 1476 0.02      
7 A1 1236 1227 0.62      
8 A1 1112 1103 0.73      
9 A1 1041 1033 0.13      
10 A1 964 957 0.03      
11 A1 913 906 0.00      
12 A1 826 819 1.14      
13 A1 514 511 0.42      
14 A2 1193 1184 0.00      
15 A2 1075 1066 0.00      
16 A2 1037 1029 0.00      
17 A2 863 856 0.00      
18 A2 800 793 0.00      
19 A2 520 516 0.00      
20 B1 3038 3015 42.74      
21 B1 2966 2943 62.97      
22 B1 1456 1445 0.00      
23 B1 1197 1188 0.40      
24 B1 982 975 1.83      
25 B1 789 783 3.30      
26 B1 663 658 30.34      
27 B1 438 434 5.04      
28 B2 3142 3118 9.14      
29 B2 3042 3018 98.68      
30 B2 1299 1289 9.30      
31 B2 1225 1216 0.48      
32 B2 1188 1179 5.58      
33 B2 1079 1071 3.74      
34 B2 879 873 0.34      
35 B2 818 812 4.52      
36 B2 701 696 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 26143.9 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 25942.6 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 BLYP/6-31G**
ABC
0.19124 0.15350 0.14077

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.675 1.225
C2 0.000 -0.675 1.225
C3 0.000 -1.030 -0.281
C4 0.000 1.030 -0.281
C5 1.075 0.000 -0.817
C6 -1.075 0.000 -0.817
H7 0.000 1.378 2.057
H8 0.000 -1.378 2.057
H9 0.000 -2.089 -0.575
H10 0.000 2.089 -0.575
H11 2.063 0.000 -0.332
H12 -2.063 0.000 -0.332
H13 -1.176 0.000 -1.915
H14 1.176 0.000 -1.915

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.35002.27541.54762.40432.40431.08972.21573.29832.28892.67182.67183.42043.4204
C21.35001.54762.27542.40432.40432.21571.08972.28893.29832.67182.67183.42043.4204
C32.27541.54762.06081.58261.58263.35722.36421.09853.13322.30702.30702.26142.2614
C41.54762.27542.06081.58261.58262.36423.35723.13321.09852.30702.30702.26142.2614
C52.40432.40431.58261.58262.15023.36393.36392.36182.36181.10083.17582.50441.1031
C62.40432.40431.58261.58262.15023.36393.36392.36182.36183.17581.10081.10312.5044
H71.08972.21573.35722.36423.36393.36392.75694.35322.72633.44493.44494.36614.3661
H82.21571.08972.36423.35723.36393.36392.75692.72634.35323.44493.44494.36614.3661
H93.29832.28891.09853.13322.36182.36184.35322.72634.17792.94632.94632.74632.7463
H102.28893.29833.13321.09852.36182.36182.72634.35324.17792.94632.94632.74632.7463
H112.67182.67182.30702.30701.10083.17583.44493.44492.94632.94634.12693.60521.8152
H122.67182.67182.30702.30703.17581.10083.44493.44492.94632.94634.12691.81523.6052
H133.42043.42042.26142.26142.50441.10314.36614.36612.74632.74633.60521.81522.3510
H143.42043.42042.26142.26141.10312.50444.36614.36612.74632.74631.81523.60522.3510

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 103.277 C1 C2 H8 130.208
C1 C4 C5 100.362 C1 C4 C6 100.362
C1 C4 H10 118.782 C2 C1 C4 103.277
C2 C1 H7 130.208 C2 C3 C5 100.362
C2 C3 C6 100.362 C2 C3 H9 118.782
C3 C2 H8 126.515 C3 C5 C4 81.250
C3 C5 H11 117.449 C3 C5 H14 113.508
C3 C6 C4 81.250 C3 C6 H12 117.449
C3 C6 H13 113.508 C4 C1 H7 126.515
C4 C5 H11 117.449 C4 C5 H14 113.508
C4 C6 H12 117.449 C4 C6 H13 113.508
C5 C3 C6 85.586 C5 C3 H9 122.476
C5 C4 C6 85.586 C5 C4 H10 122.476
C6 C3 H9 122.476 C6 C4 H10 122.476
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 BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.031      
2 C -0.031      
3 C -0.086      
4 C -0.086      
5 C -0.125      
6 C -0.125      
7 H 0.055      
8 H 0.055      
9 H 0.041      
10 H 0.041      
11 H 0.074      
12 H 0.074      
13 H 0.071      
14 H 0.071      


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 -0.156 0.156
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.894 0.000 0.000
y 0.000 -35.570 0.000
z 0.000 0.000 -35.798
Traceless
 xyz
x -2.210 0.000 0.000
y 0.000 1.275 0.000
z 0.000 0.000 0.935
Polar
3z2-r21.869
x2-y2-2.324
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> 122.280
(<r2>)1/2 11.058