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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-38.570150
Energy at 298.15K-38.579621
Nuclear repulsion energy119.509104
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/CEP-121G
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 3214 3132 20.89      
2 A1 3102 3023 15.98      
3 A1 3097 3018 65.41      
4 A1 3013 2936 57.22      
5 A1 1572 1532 3.89      
6 A1 1518 1479 0.18      
7 A1 1261 1229 3.01      
8 A1 1133 1104 2.43      
9 A1 1062 1035 0.00      
10 A1 989 964 0.19      
11 A1 939 915 0.21      
12 A1 848 826 2.13      
13 A1 523 510 0.49      
14 A2 1236 1204 0.00      
15 A2 1103 1075 0.00      
16 A2 1059 1032 0.00      
17 A2 923 900 0.00      
18 A2 824 803 0.00      
19 A2 534 521 0.00      
20 B1 3089 3010 47.95      
21 B1 3001 2924 83.75      
22 B1 1492 1454 1.94      
23 B1 1214 1183 1.05      
24 B1 1001 975 4.44      
25 B1 809 789 15.28      
26 B1 706 688 57.09      
27 B1 452 441 9.70      
28 B2 3182 3100 12.91      
29 B2 3095 3017 119.98      
30 B2 1322 1288 16.41      
31 B2 1257 1225 0.00      
32 B2 1218 1187 10.55      
33 B2 1100 1072 3.97      
34 B2 906 883 0.51      
35 B2 835 814 8.50      
36 B2 723 704 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 26675.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 25995.3 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 B3LYP/CEP-121G
ABC
0.18870 0.15216 0.13930

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.681 1.246
C2 0.000 -0.681 1.246
C3 0.000 -1.041 -0.267
C4 0.000 1.041 -0.267
C5 1.083 0.000 -0.805
C6 -1.083 0.000 -0.805
H7 0.000 1.379 2.077
H8 0.000 -1.379 2.077
H9 0.000 -2.094 -0.558
H10 0.000 2.094 -0.558
H11 2.063 0.000 -0.316
H12 -2.063 0.000 -0.316
H13 -1.185 0.000 -1.899
H14 1.185 0.000 -1.899

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.36122.29221.55592.41732.41731.08482.22033.30942.29162.67612.67613.42903.4290
C21.36121.55592.29222.41732.41732.22031.08482.29163.30942.67612.67613.42903.4290
C32.29221.55592.08151.59531.59533.36862.36831.09253.14822.31152.31152.26922.2692
C41.55592.29222.08151.59531.59532.36833.36863.14821.09252.31152.31152.26922.2692
C52.41732.41731.59531.59532.16573.37303.37302.37032.37031.09563.18402.51801.0984
C62.41732.41731.59531.59532.16573.37303.37302.37032.37033.18401.09561.09842.5180
H71.08482.22033.36862.36833.37303.37302.75714.35862.72973.44723.44724.37134.3713
H82.22031.08482.36833.36863.37303.37302.75712.72974.35863.44723.44724.37134.3713
H93.30942.29161.09253.14822.37032.37034.35862.72974.18792.94962.94962.75462.7546
H102.29163.30943.14821.09252.37032.37032.72974.35864.18792.94962.94962.75462.7546
H112.67612.67612.31152.31151.09563.18403.44723.44722.94962.94964.12673.61351.8099
H122.67612.67612.31152.31153.18401.09563.44723.44722.94962.94964.12671.80993.6135
H133.42903.42902.26922.26922.51801.09844.37134.37132.75462.75463.61351.80992.3704
H143.42903.42902.26922.26921.09842.51804.37134.37132.75462.75461.80993.61352.3704

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 103.386 C1 C2 H8 130.046
C1 C4 C5 100.187 C1 C4 C6 100.187
C1 C4 H10 118.792 C2 C1 C4 103.386
C2 C1 H7 130.046 C2 C3 C5 100.187
C2 C3 C6 100.187 C2 C3 H9 118.792
C3 C2 H8 126.568 C3 C5 C4 81.447
C3 C5 H11 117.195 C3 C5 H14 113.505
C3 C6 C4 81.447 C3 C6 H12 117.195
C3 C6 H13 113.505 C4 C1 H7 126.568
C4 C5 H11 117.195 C4 C5 H14 113.505
C4 C6 H12 117.195 C4 C6 H13 113.505
C5 C3 C6 85.499 C5 C3 H9 122.645
C5 C4 C6 85.499 C5 C4 H10 122.645
C6 C3 H9 122.645 C6 C4 H10 122.645
H11 C5 H14 111.160 H12 C6 H13 111.160
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.170      
2 C -0.170      
3 C -0.046      
4 C -0.046      
5 C -0.399      
6 C -0.399      
7 H 0.179      
8 H 0.179      
9 H 0.154      
10 H 0.154      
11 H 0.147      
12 H 0.147      
13 H 0.134      
14 H 0.134      


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 -0.302 0.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.911 0.000 0.000
y 0.000 -35.820 0.000
z 0.000 0.000 -36.254
Traceless
 xyz
x -2.874 0.000 0.000
y 0.000 1.762 0.000
z 0.000 0.000 1.112
Polar
3z2-r22.223
x2-y2-3.091
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.351 0.000 0.000
y 0.000 9.628 0.000
z 0.000 0.000 9.672


<r2> (average value of r2) Å2
<r2> 103.591
(<r2>)1/2 10.178