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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-233.297231
Energy at 298.15K-233.306706
Nuclear repulsion energy231.229736
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 3265 3129 11.44      
2 A1 3140 3009 28.25      
3 A1 3139 3009 22.90      
4 A1 3067 2939 41.57      
5 A1 1646 1578 1.15      
6 A1 1520 1457 0.14      
7 A1 1284 1231 1.91      
8 A1 1148 1100 1.27      
9 A1 1068 1024 0.13      
10 A1 1005 964 0.02      
11 A1 966 926 0.01      
12 A1 855 820 1.37      
13 A1 528 506 0.49      
14 A2 1231 1180 0.00      
15 A2 1121 1075 0.00      
16 A2 1071 1027 0.00      
17 A2 910 872 0.00      
18 A2 860 825 0.00      
19 A2 538 515 0.00      
20 B1 3135 3004 34.82      
21 B1 3058 2931 58.79      
22 B1 1486 1424 0.47      
23 B1 1245 1193 1.52      
24 B1 1009 967 2.84      
25 B1 840 805 3.26      
26 B1 689 660 40.28      
27 B1 450 432 6.58      
28 B2 3238 3103 5.75      
29 B2 3137 3007 85.66      
30 B2 1342 1286 13.83      
31 B2 1261 1208 0.99      
32 B2 1238 1186 8.87      
33 B2 1112 1066 3.86      
34 B2 924 886 0.21      
35 B2 861 825 7.18      
36 B2 736 706 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 27061.1 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 25935.3 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 B3PW91/6-31G**
ABC
0.19563 0.15703 0.14379

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 1.368 2.040
H8 0.000 -1.368 2.040
H9 0.000 -2.070 -0.574
H10 0.000 2.070 -0.574
H11 2.043 0.000 -0.324
H12 -2.043 0.000 -0.324
H13 -1.160 0.000 -1.898
H14 1.160 0.000 -1.898

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33832.25241.53232.37592.37591.08312.19853.26972.26962.64202.64203.38573.3857
C21.33831.53232.25242.37592.37592.19851.08312.26963.26972.64202.64203.38573.3857
C32.25241.53232.03631.56171.56173.32772.34611.09183.10182.28322.28322.23572.2357
C41.53232.25242.03631.56171.56172.34613.32773.10181.09182.28322.28322.23572.2357
C52.37592.37591.56171.56172.12203.33073.33072.33732.33731.09413.14142.47471.0964
C62.37592.37591.56171.56172.12203.33073.33072.33732.33733.14141.09411.09642.4747
H71.08312.19853.32772.34613.33073.33072.73504.31812.70653.41033.41034.32664.3266
H82.19851.08312.34613.32773.33073.33072.73502.70654.31813.41033.41034.32664.3266
H93.26972.26961.09183.10182.33732.33734.31812.70654.13932.91902.91902.71672.7167
H102.26963.26973.10181.09182.33732.33732.70654.31814.13932.91902.91902.71672.7167
H112.64202.64202.28322.28321.09413.14143.41033.41032.91902.91904.08633.56891.8051
H122.64202.64202.28322.28323.14141.09413.41033.41032.91902.91904.08631.80513.5689
H133.38573.38572.23572.23572.47471.09644.32664.32662.71672.71673.56891.80512.3195
H143.38573.38572.23572.23571.09642.47474.32664.32662.71672.71671.80513.56892.3195

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 103.166 C1 C2 H8 130.151
C1 C4 C5 100.326 C1 C4 C6 100.326
C1 C4 H10 118.784 C2 C1 C4 103.166
C2 C1 H7 130.151 C2 C3 C5 100.326
C2 C3 C6 100.326 C2 C3 H9 118.784
C3 C2 H8 126.683 C3 C5 C4 81.382
C3 C5 H11 117.484 C3 C5 H14 113.355
C3 C6 C4 81.382 C3 C6 H12 117.484
C3 C6 H13 113.355 C4 C1 H7 126.683
C4 C5 H11 117.484 C4 C5 H14 113.355
C4 C6 H12 117.484 C4 C6 H13 113.355
C5 C3 C6 85.597 C5 C3 H9 122.499
C5 C4 C6 85.597 C5 C4 H10 122.499
C6 C3 H9 122.499 C6 C4 H10 122.499
H11 C5 H14 110.985 H12 C6 H13 110.985
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 -0.086      
2 C -0.086      
3 C -0.168      
4 C -0.168      
5 C -0.202      
6 C -0.202      
7 H 0.116      
8 H 0.116      
9 H 0.101      
10 H 0.101      
11 H 0.122      
12 H 0.122      
13 H 0.117      
14 H 0.117      


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 -0.172 0.172
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.595 0.000 0.000
y 0.000 -34.969 0.000
z 0.000 0.000 -35.169
Traceless
 xyz
x -2.526 0.000 0.000
y 0.000 1.413 0.000
z 0.000 0.000 1.113
Polar
3z2-r22.226
x2-y2-2.626
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> 119.849
(<r2>)1/2 10.948