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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-233.175523
Energy at 298.15K-233.184820
Nuclear repulsion energy227.375632
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 3187 3163 19.76      
2 A1 3073 3050 11.64      
3 A1 3065 3042 49.37      
4 A1 2992 2969 47.12      
5 A1 1562 1551 1.08      
6 A1 1508 1496 0.06      
7 A1 1240 1230 1.77      
8 A1 1120 1111 1.13      
9 A1 1052 1044 0.02      
10 A1 970 962 0.00      
11 A1 906 900 0.01      
12 A1 834 828 1.10      
13 A1 517 513 0.46      
14 A2 1218 1208 0.00      
15 A2 1079 1070 0.00      
16 A2 1045 1037 0.00      
17 A2 881 875 0.00      
18 A2 788 782 0.00      
19 A2 527 523 0.00      
20 B1 3059 3036 43.40      
21 B1 2981 2958 58.88      
22 B1 1481 1469 0.35      
23 B1 1193 1184 0.70      
24 B1 993 985 2.71      
25 B1 782 776 8.10      
26 B1 678 673 37.77      
27 B1 447 443 6.62      
28 B2 3157 3133 10.66      
29 B2 3068 3045 95.01      
30 B2 1304 1294 11.78      
31 B2 1249 1239 0.00      
32 B2 1188 1179 6.67      
33 B2 1091 1082 3.40      
34 B2 883 877 0.25      
35 B2 812 806 5.02      
36 B2 702 697 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 26314.3 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 26114.3 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 BLYP/6-31G
ABC
0.18842 0.15159 0.13907

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 0.679 1.232
C2 0.000 -0.679 1.232
C3 0.000 -1.040 -0.282
C4 0.000 1.040 -0.282
C5 1.085 0.000 -0.823
C6 -1.085 0.000 -0.823
H7 0.000 1.383 2.063
H8 0.000 -1.383 2.063
H9 0.000 -2.097 -0.574
H10 0.000 2.097 -0.574
H11 2.070 0.000 -0.332
H12 -2.070 0.000 -0.332
H13 -1.186 0.000 -1.922
H14 1.186 0.000 -1.922

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.35742.29041.55642.42112.42111.08932.22303.31212.29702.68162.68163.43723.4372
C21.35741.55642.29042.42112.42112.22301.08932.29703.31212.68162.68163.43723.4372
C32.29041.55642.08001.59751.59753.37192.36961.09713.15102.31712.31712.27552.2755
C41.55642.29042.08001.59751.59752.36963.37193.15101.09712.31712.31712.27552.2755
C52.42112.42111.59751.59752.17023.37923.37922.37452.37451.10063.19312.52311.1033
C62.42112.42111.59751.59752.17023.37923.37922.37452.37453.19311.10061.10332.5231
H71.08932.22303.37192.36963.37923.37922.76654.36692.73223.45433.45434.38154.3815
H82.22301.08932.36963.37193.37923.37922.76652.73224.36693.45433.45434.38154.3815
H93.31212.29701.09713.15102.37452.37454.36692.73224.19482.95682.95682.76072.7607
H102.29703.31213.15101.09712.37452.37452.73224.36694.19482.95682.95682.76072.7607
H112.68162.68162.31712.31711.10063.19313.45433.45432.95682.95684.14003.62371.8191
H122.68162.68162.31712.31713.19311.10063.45433.45432.95682.95684.14001.81913.6237
H133.43723.43722.27552.27552.52311.10334.38154.38152.76072.76073.62371.81912.3724
H143.43723.43722.27552.27551.10332.52314.38154.38152.76072.76071.81913.62372.3724

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 103.423 C1 C2 H8 130.303
C1 C4 C5 100.277 C1 C4 C6 100.277
C1 C4 H10 118.891 C2 C1 C4 103.423
C2 C1 H7 130.303 C2 C3 C5 100.277
C2 C3 C6 100.277 C2 C3 H9 118.891
C3 C2 H8 126.274 C3 C5 C4 81.237
C3 C5 H11 117.168 C3 C5 H14 113.553
C3 C6 C4 81.237 C3 C6 H12 117.168
C3 C6 H13 113.553 C4 C1 H7 126.274
C4 C5 H11 117.168 C4 C5 H14 113.553
C4 C6 H12 117.168 C4 C6 H13 113.553
C5 C3 C6 85.572 C5 C3 H9 122.486
C5 C4 C6 85.572 C5 C4 H10 122.486
C6 C3 H9 122.486 C6 C4 H10 122.486
H11 C5 H14 111.255 H12 C6 H13 111.255
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 -0.043      
2 C -0.043      
3 C -0.191      
4 C -0.191      
5 C -0.160      
6 C -0.160      
7 H 0.099      
8 H 0.099      
9 H 0.081      
10 H 0.081      
11 H 0.110      
12 H 0.110      
13 H 0.105      
14 H 0.105      


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 -0.168 0.168
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.122 0.000 0.000
y 0.000 -35.662 0.000
z 0.000 0.000 -35.868
Traceless
 xyz
x -2.357 0.000 0.000
y 0.000 1.333 0.000
z 0.000 0.000 1.024
Polar
3z2-r22.047
x2-y2-2.460
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> 123.549
(<r2>)1/2 11.115