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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-38.558411
Energy at 298.15K-38.567847
Nuclear repulsion energy119.210481
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 3251 3148 15.80      
2 A1 3145 3045 105.13      
3 A1 3142 3043 1.05      
4 A1 3061 2964 64.44      
5 A1 1590 1539 4.41      
6 A1 1523 1475 0.73      
7 A1 1269 1229 2.84      
8 A1 1135 1099 3.76      
9 A1 1061 1027 0.16      
10 A1 991 960 0.81      
11 A1 951 921 0.37      
12 A1 849 822 2.57      
13 A1 524 508 0.48      
14 A2 1245 1205 0.00      
15 A2 1116 1080 0.00      
16 A2 1059 1025 0.00      
17 A2 933 904 0.00      
18 A2 836 810 0.00      
19 A2 531 514 0.00      
20 B1 3134 3035 40.56      
21 B1 3049 2952 87.28      
22 B1 1494 1447 2.86      
23 B1 1223 1184 0.87      
24 B1 1000 968 9.34      
25 B1 818 792 21.06      
26 B1 714 691 71.12      
27 B1 457 443 13.22      
28 B2 3215 3113 8.67      
29 B2 3133 3034 108.95      
30 B2 1330 1288 20.06      
31 B2 1259 1219 0.01      
32 B2 1227 1189 13.96      
33 B2 1102 1067 3.71      
34 B2 912 883 0.47      
35 B2 846 819 11.52      
36 B2 725 702 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 26922.7 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 26071.9 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
0.18773 0.15173 0.13864

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 0.686 1.248
C2 0.000 -0.686 1.248
C3 0.000 -1.043 -0.267
C4 0.000 1.043 -0.267
C5 1.084 0.000 -0.805
C6 -1.084 0.000 -0.805
H7 0.000 1.386 2.082
H8 0.000 -1.386 2.082
H9 0.000 -2.099 -0.560
H10 0.000 2.099 -0.560
H11 2.071 0.000 -0.319
H12 -2.071 0.000 -0.319
H13 -1.182 0.000 -1.905
H14 1.182 0.000 -1.905

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.37162.29891.55692.42082.42081.08892.23343.32082.29532.68582.68583.43673.4367
C21.37161.55692.29892.42082.42082.23341.08892.29533.32082.68582.68583.43673.4367
C32.29891.55692.08571.59731.59733.37922.37421.09643.15592.31932.31932.27322.2732
C41.55692.29892.08571.59731.59732.37423.37923.15591.09642.31932.31932.27322.2732
C52.42082.42081.59731.59732.16773.38093.38092.37532.37531.10053.19212.51881.1045
C62.42082.42081.59731.59732.16773.38093.38092.37532.37533.19211.10051.10452.5188
H71.08892.23343.37922.37423.38093.38092.77234.37382.73683.46013.46014.38364.3836
H82.23341.08892.37423.37923.38093.38092.77232.73684.37383.46013.46014.38364.3836
H93.32082.29531.09643.15592.37532.37534.37382.73684.19872.95882.95882.75922.7592
H102.29533.32083.15591.09642.37532.37532.73684.37384.19872.95882.95882.75922.7592
H112.68582.68582.31932.31931.10053.19213.46013.46012.95882.95884.14193.61931.8187
H122.68582.68582.31932.31933.19211.10053.46013.46012.95882.95884.14191.81873.6193
H133.43673.43672.27322.27322.51881.10454.38364.38362.75922.75923.61931.81872.3641
H143.43673.43672.27322.27321.10452.51884.38364.38362.75922.75921.81873.61932.3641

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 130.025
C1 C4 C5 100.249 C1 C4 C6 100.249
C1 C4 H10 118.756 C2 C1 C4 103.257
C2 C1 H7 130.025 C2 C3 C5 100.249
C2 C3 C6 100.249 C2 C3 H9 118.756
C3 C2 H8 126.717 C3 C5 C4 81.520
C3 C5 H11 117.376 C3 C5 H14 113.305
C3 C6 C4 81.520 C3 C6 H12 117.376
C3 C6 H13 113.305 C4 C1 H7 126.717
C4 C5 H11 117.376 C4 C5 H14 113.305
C4 C6 H12 117.376 C4 C6 H13 113.305
C5 C3 C6 85.460 C5 C3 H9 122.629
C5 C4 C6 85.460 C5 C4 H10 122.629
C6 C3 H9 122.629 C6 C4 H10 122.629
H11 C5 H14 111.135 H12 C6 H13 111.135
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 -0.335      
2 C -0.335      
3 C -0.077      
4 C -0.077      
5 C -0.481      
6 C -0.481      
7 H 0.301      
8 H 0.301      
9 H 0.245      
10 H 0.245      
11 H 0.203      
12 H 0.203      
13 H 0.144      
14 H 0.144      


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 -0.383 0.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.396 0.000 0.000
y 0.000 -35.244 0.000
z 0.000 0.000 -35.426
Traceless
 xyz
x -3.061 0.000 0.000
y 0.000 1.668 0.000
z 0.000 0.000 1.394
Polar
3z2-r22.787
x2-y2-3.153
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.632 0.000 0.000
y 0.000 8.977 0.000
z 0.000 0.000 8.686


<r2> (average value of r2) Å2
<r2> 103.574
(<r2>)1/2 10.177