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

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-232.097187
Energy at 298.15K-232.106689
Nuclear repulsion energy228.921047
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3272 3157 9.75      
2 A1 3175 3063 6.51      
3 A1 3159 3048 29.39      
4 A1 3080 2972 36.45      
5 A1 1614 1557 0.45      
6 A1 1543 1489 0.47      
7 A1 1273 1229 3.54      
8 A1 1151 1110 1.46      
9 A1 1076 1038 0.02      
10 A1 1003 968 0.00      
11 A1 935 902 0.20      
12 A1 864 834 0.94      
13 A1 522 503 0.61      
14 A2 1252 1208 0.00      
15 A2 1119 1080 0.00      
16 A2 1090 1052 0.00      
17 A2 957 924 0.00      
18 A2 829 800 0.00      
19 A2 540 521 0.00      
20 B1 3154 3043 27.79      
21 B1 3070 2962 37.51      
22 B1 1516 1463 1.20      
23 B1 1233 1190 2.04      
24 B1 1006 971 4.61      
25 B1 817 788 9.18      
26 B1 720 695 47.45      
27 B1 470 453 8.57      
28 B2 3242 3128 4.17      
29 B2 3170 3058 57.52      
30 B2 1337 1290 17.78      
31 B2 1288 1242 0.49      
32 B2 1225 1182 9.57      
33 B2 1134 1094 3.24      
34 B2 913 881 0.01      
35 B2 829 800 6.65      
36 B2 731 705 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 27152.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 26199.6 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 B3LYP/3-21G
ABC
0.19030 0.15391 0.14130

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 1.221
C2 0.000 -0.671 1.221
C3 0.000 -1.038 -0.286
C4 0.000 1.038 -0.286
C5 1.083 0.000 -0.812
C6 -1.083 0.000 -0.812
H7 0.000 1.363 2.048
H8 0.000 -1.363 2.048
H9 0.000 -2.085 -0.576
H10 0.000 2.085 -0.576
H11 2.049 0.000 -0.305
H12 -2.049 0.000 -0.305
H13 -1.182 0.000 -1.902
H14 1.182 0.000 -1.902

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34122.27851.55122.39852.39851.07942.19593.28982.28682.64072.64073.40553.4055
C21.34121.55122.27852.39852.39852.19591.07942.28683.28982.64072.64073.40553.4055
C32.27851.55122.07661.58941.58943.34952.35731.08633.13692.29682.29682.25522.2552
C41.55122.27852.07661.58941.58942.35733.34953.13691.08632.29682.29682.25522.2552
C52.39852.39851.58941.58942.16533.34843.34842.36132.36131.09103.17212.51341.0946
C62.39852.39851.58941.58942.16533.34843.34842.36132.36133.17211.09101.09462.5134
H71.07942.19593.34952.35733.34843.34842.72664.33372.72203.40493.40494.34304.3430
H82.19591.07942.35733.34953.34843.34842.72662.72204.33373.40493.40494.34304.3430
H93.28982.28681.08633.13692.36132.36134.33372.72204.17042.93582.93582.73922.7392
H102.28683.28983.13691.08632.36132.36132.72204.33374.17042.93582.93582.73922.7392
H112.64072.64072.29682.29681.09103.17213.40493.40492.93582.93584.09733.60401.8171
H122.64072.64072.29682.29683.17211.09103.40493.40492.93582.93584.09731.81713.6040
H133.40553.40552.25522.25522.51341.09464.34304.34302.73922.73923.60401.81712.3642
H143.40553.40552.25522.25521.09462.51344.34304.34302.73922.73921.81713.60402.3642

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 103.712 C1 C2 H8 129.923
C1 C4 C5 99.577 C1 C4 C6 99.577
C1 C4 H10 119.185 C2 C1 C4 103.712
C2 C1 H7 129.923 C2 C3 C5 99.577
C2 C3 C6 99.577 C2 C3 H9 119.185
C3 C2 H8 126.366 C3 C5 C4 81.574
C3 C5 H11 116.706 C3 C5 H14 113.027
C3 C6 C4 81.574 C3 C6 H12 116.706
C3 C6 H13 113.027 C4 C1 H7 126.366
C4 C5 H11 116.706 C4 C5 H14 113.027
C4 C6 H12 116.706 C4 C6 H13 113.027
C5 C3 C6 85.865 C5 C3 H9 122.776
C5 C4 C6 85.865 C5 C4 H10 122.776
C6 C3 H9 122.776 C6 C4 H10 122.776
H11 C5 H14 112.483 H12 C6 H13 112.483
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109     -0.251
2 C -0.109     -0.251
3 C -0.354     0.154
4 C -0.354     0.154
5 C -0.239     -0.392
6 C -0.239     -0.402
7 H 0.176     0.164
8 H 0.176     0.164
9 H 0.156     0.055
10 H 0.156     0.055
11 H 0.188     0.141
12 H 0.188     0.144
13 H 0.182     0.134
14 H 0.182     0.131


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 -0.181 0.181
CHELPG        
AIM        
ESP 0.003 0.000 -0.190 0.190


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.299 0.000 0.000
y 0.000 -35.410 0.000
z 0.000 0.000 -35.579
Traceless
 xyz
x -2.805 0.000 0.000
y 0.000 1.530 0.000
z 0.000 0.000 1.275
Polar
3z2-r22.550
x2-y2-2.889
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.608 0.000 0.000
y 0.000 8.237 0.000
z 0.000 0.000 8.287


<r2> (average value of r2) Å2
<r2> 122.003
(<r2>)1/2 11.046