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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-233.285872
Energy at 298.15K-233.295335
Nuclear repulsion energy231.194360
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 B3PW91/6-31G*
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 3266 3125 12.91      
2 A1 3143 3006 9.05      
3 A1 3140 3004 42.90      
4 A1 3071 2938 44.55      
5 A1 1649 1577 1.08      
6 A1 1536 1469 0.10      
7 A1 1290 1234 1.89      
8 A1 1152 1102 1.33      
9 A1 1074 1027 0.14      
10 A1 1008 965 0.03      
11 A1 968 926 0.00      
12 A1 857 819 1.35      
13 A1 530 507 0.48      
14 A2 1236 1182 0.00      
15 A2 1124 1075 0.00      
16 A2 1075 1028 0.00      
17 A2 905 866 0.00      
18 A2 862 825 0.00      
19 A2 538 515 0.00      
20 B1 3135 2999 38.47      
21 B1 3061 2929 57.53      
22 B1 1502 1437 0.39      
23 B1 1248 1193 1.64      
24 B1 1016 972 2.78      
25 B1 842 805 3.46      
26 B1 687 658 41.16      
27 B1 451 432 7.24      
28 B2 3240 3100 7.35      
29 B2 3140 3004 89.44      
30 B2 1349 1290 14.14      
31 B2 1266 1211 1.03      
32 B2 1243 1189 9.26      
33 B2 1116 1068 3.82      
34 B2 927 887 0.17      
35 B2 863 825 7.29      
36 B2 737 706 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 27122.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 25948.0 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 B3PW91/6-31G*
ABC
0.19557 0.15700 0.14376

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 1.212
C2 0.000 -0.669 1.212
C3 0.000 -1.018 -0.280
C4 0.000 1.018 -0.280
C5 1.061 0.000 -0.806
C6 -1.061 0.000 -0.806
H7 0.000 1.369 2.040
H8 0.000 -1.369 2.040
H9 0.000 -2.070 -0.574
H10 0.000 2.070 -0.574
H11 2.044 0.000 -0.323
H12 -2.044 0.000 -0.323
H13 -1.161 0.000 -1.899
H14 1.161 0.000 -1.899

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33842.25241.53232.37592.37591.08392.19983.27052.27032.64262.64263.38693.3869
C21.33841.53232.25242.37592.37592.19981.08392.27033.27052.64262.64263.38693.3869
C32.25241.53232.03621.56161.56163.32862.34611.09263.10242.28402.28402.23682.2368
C41.53232.25242.03621.56161.56162.34613.32863.10241.09262.28402.28402.23682.2368
C52.37592.37591.56161.56162.12203.33123.33122.33782.33781.09513.14242.47581.0974
C62.37592.37591.56161.56162.12203.33123.33122.33782.33783.14241.09511.09742.4758
H71.08392.19983.32862.34613.33123.33122.73804.32002.70653.41123.41124.32804.3280
H82.19981.08392.34613.32863.33123.33122.73802.70654.32003.41123.41124.32804.3280
H93.27052.27031.09263.10242.33782.33784.32002.70654.14052.92022.92022.71782.7178
H102.27033.27053.10241.09262.33782.33782.70654.32004.14052.92022.92022.71782.7178
H112.64262.64262.28402.28401.09513.14243.41123.41122.92022.92024.08823.57091.8062
H122.64262.64262.28402.28403.14241.09513.41123.41122.92022.92024.08821.80623.5709
H133.38693.38692.23682.23682.47581.09744.32804.32802.71782.71783.57091.80622.3210
H143.38693.38692.23682.23681.09742.47584.32804.32802.71782.71781.80623.57092.3210

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 103.162 C1 C2 H8 130.215
C1 C4 C5 100.334 C1 C4 C6 100.334
C1 C4 H10 118.795 C2 C1 C4 103.162
C2 C1 H7 130.215 C2 C3 C5 100.334
C2 C3 C6 100.334 C2 C3 H9 118.795
C3 C2 H8 126.623 C3 C5 C4 81.377
C3 C5 H11 117.489 C3 C5 H14 113.385
C3 C6 C4 81.377 C3 C6 H12 117.489
C3 C6 H13 113.385 C4 C1 H7 126.623
C4 C5 H11 117.489 C4 C5 H14 113.385
C4 C6 H12 117.489 C4 C6 H13 113.385
C5 C3 C6 85.597 C5 C3 H9 122.486
C5 C4 C6 85.597 C5 C4 H10 122.486
C6 C3 H9 122.486 C6 C4 H10 122.486
H11 C5 H14 110.939 H12 C6 H13 110.939
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.131     -0.248
2 C -0.131     -0.248
3 C -0.195     0.214
4 C -0.195     0.214
5 C -0.298     -0.391
6 C -0.298     -0.402
7 H 0.159     0.152
8 H 0.159     0.152
9 H 0.145     0.027
10 H 0.145     0.027
11 H 0.163     0.127
12 H 0.163     0.130
13 H 0.157     0.123
14 H 0.157     0.120


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 -0.165 0.165
CHELPG        
AIM        
ESP 0.005 0.000 -0.174 0.174


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.627 0.000 0.000
y 0.000 -34.936 0.000
z 0.000 0.000 -35.133
Traceless
 xyz
x -2.593 0.000 0.000
y 0.000 1.444 0.000
z 0.000 0.000 1.148
Polar
3z2-r22.297
x2-y2-2.691
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> 119.873
(<r2>)1/2 10.949