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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-233.270737
Energy at 298.15K-233.280211
Nuclear repulsion energy231.885732
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 B1B95/6-31+G**
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 3272 3130 9.85      
2 A1 3146 3010 15.95      
3 A1 3143 3006 42.04      
4 A1 3072 2939 42.30      
5 A1 1646 1575 4.46      
6 A1 1508 1443 0.17      
7 A1 1281 1226 3.62      
8 A1 1147 1097 1.83      
9 A1 1061 1015 0.19      
10 A1 1006 962 0.11      
11 A1 973 931 0.01      
12 A1 850 814 2.17      
13 A1 520 498 0.41      
14 A2 1227 1174 0.00      
15 A2 1117 1069 0.00      
16 A2 1067 1021 0.00      
17 A2 919 879 0.00      
18 A2 868 830 0.00      
19 A2 535 512 0.00      
20 B1 3138 3002 30.22      
21 B1 3063 2930 67.93      
22 B1 1475 1411 2.48      
23 B1 1240 1186 2.76      
24 B1 1002 959 2.95      
25 B1 845 808 4.40      
26 B1 689 659 56.56      
27 B1 446 427 9.85      
28 B2 3245 3104 5.89      
29 B2 3144 3008 90.32      
30 B2 1341 1283 16.81      
31 B2 1257 1202 1.08      
32 B2 1232 1179 13.25      
33 B2 1107 1059 4.01      
34 B2 927 887 0.46      
35 B2 870 832 9.00      
36 B2 735 703 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 27057.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 25883.1 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 B1B95/6-31+G**
ABC
0.19670 0.15816 0.14459

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 1.207
C2 0.000 -0.669 1.207
C3 0.000 -1.016 -0.279
C4 0.000 1.016 -0.279
C5 1.057 0.000 -0.803
C6 -1.057 0.000 -0.803
H7 0.000 1.366 2.035
H8 0.000 -1.366 2.035
H9 0.000 -2.065 -0.573
H10 0.000 2.065 -0.573
H11 2.038 0.000 -0.321
H12 -2.038 0.000 -0.321
H13 -1.151 0.000 -1.894
H14 1.151 0.000 -1.894

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33782.24651.52622.36762.36761.08182.19653.26272.26252.63332.63333.37483.3748
C21.33781.52622.24652.36762.36762.19651.08182.26253.26272.63332.63333.37483.3748
C32.24651.52622.03131.55671.55673.32032.34001.09013.09502.27702.27702.22812.2281
C41.52622.24652.03131.55671.55672.34003.32033.09501.09012.27702.27702.22812.2281
C52.36762.36761.55671.55672.11383.32193.32192.33152.33151.09283.13182.46301.0947
C62.36762.36761.55671.55672.11383.32193.32192.33152.33153.13181.09281.09472.4630
H71.08182.19653.32032.34003.32193.32192.73174.30962.69973.40093.40094.31554.3155
H82.19651.08182.34003.32033.32193.32192.73172.69974.30963.40093.40094.31554.3155
H93.26272.26251.09013.09502.33152.33154.30962.69974.13082.91222.91222.70862.7086
H102.26253.26273.09501.09012.33152.33152.69974.30964.13082.91222.91222.70862.7086
H112.63332.63332.27702.27701.09283.13183.40093.40092.91222.91224.07513.55571.8052
H122.63332.63332.27702.27703.13181.09283.40093.40092.91222.91224.07511.80523.5557
H133.37483.37482.22812.22812.46301.09474.31554.31552.70862.70863.55571.80522.3029
H143.37483.37482.22812.22811.09472.46304.31554.31552.70862.70861.80523.55572.3029

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 103.132 C1 C2 H8 130.107
C1 C4 C5 100.347 C1 C4 C6 100.347
C1 C4 H10 118.768 C2 C1 C4 103.132
C2 C1 H7 130.107 C2 C3 C5 100.347
C2 C3 C6 100.347 C2 C3 H9 118.768
C3 C2 H8 126.761 C3 C5 C4 81.454
C3 C5 H11 117.436 C3 C5 H14 113.206
C3 C6 C4 81.454 C3 C6 H12 117.436
C3 C6 H13 113.206 C4 C1 H7 126.761
C4 C5 H11 117.436 C4 C5 H14 113.206
C4 C6 H12 117.436 C4 C6 H13 113.206
C5 C3 C6 85.523 C5 C3 H9 122.519
C5 C4 C6 85.523 C5 C4 H10 122.519
C6 C3 H9 122.519 C6 C4 H10 122.519
H11 C5 H14 111.227 H12 C6 H13 111.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.185      
2 C -0.185      
3 C 0.054      
4 C 0.054      
5 C -0.450      
6 C -0.450      
7 H 0.144      
8 H 0.144      
9 H 0.129      
10 H 0.129      
11 H 0.159      
12 H 0.159      
13 H 0.150      
14 H 0.150      


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 -0.331 0.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.684 0.000 0.000
y 0.000 -35.588 0.000
z 0.000 0.000 -36.151
Traceless
 xyz
x -2.815 0.000 0.000
y 0.000 1.829 0.000
z 0.000 0.000 0.985
Polar
3z2-r21.971
x2-y2-3.096
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.781 0.000 0.000
y 0.000 9.689 0.000
z 0.000 0.000 9.765


<r2> (average value of r2) Å2
<r2> 119.835
(<r2>)1/2 10.947