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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-38.635871
Energy at 298.15K-38.645258
Nuclear repulsion energy120.222442
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
4/u)
Dep P Dep U
1 A1 3212 3114 18.94      
2 A1 3095 3001 18.02      
3 A1 3093 2999 60.42      
4 A1 3026 2934 62.83      
5 A1 1590 1542 3.63      
6 A1 1522 1475 0.02      
7 A1 1265 1226 1.30      
8 A1 1129 1095 1.52      
9 A1 1058 1026 0.05      
10 A1 984 954 0.02      
11 A1 938 909 0.05      
12 A1 843 817 2.06      
13 A1 522 506 0.35      
14 A2 1218 1181 0.00      
15 A2 1105 1071 0.00      
16 A2 1057 1025 0.00      
17 A2 893 866 0.00      
18 A2 827 802 0.00      
19 A2 530 514 0.00      
20 B1 3088 2993 52.18      
21 B1 3014 2922 83.09      
22 B1 1489 1443 0.30      
23 B1 1225 1187 0.77      
24 B1 997 967 3.09      
25 B1 812 787 7.70      
26 B1 684 663 51.57      
27 B1 446 432 10.32      
28 B2 3187 3089 13.00      
29 B2 3093 2998 125.35      
30 B2 1325 1285 13.76      
31 B2 1244 1206 0.97      
32 B2 1221 1184 10.00      
33 B2 1097 1063 4.68      
34 B2 898 870 0.38      
35 B2 838 813 7.61      
36 B2 721 699 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 26642.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 25827.2 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
0.19166 0.15415 0.14121

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 0.674 1.238
C2 0.000 -0.674 1.238
C3 0.000 -1.031 -0.266
C4 0.000 1.031 -0.266
C5 1.073 0.000 -0.798
C6 -1.073 0.000 -0.798
H7 0.000 1.371 2.072
H8 0.000 -1.371 2.072
H9 0.000 -2.086 -0.557
H10 0.000 2.086 -0.557
H11 2.058 0.000 -0.316
H12 -2.058 0.000 -0.316
H13 -1.173 0.000 -1.893
H14 1.173 0.000 -1.893

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34842.27401.54622.39872.39871.08652.20873.29302.28412.66562.66563.41083.4108
C21.34841.54622.27402.39872.39872.20871.08652.28413.29302.66562.66563.41083.4108
C32.27401.54622.06211.58061.58063.35222.36261.09473.13102.30262.30262.25502.2550
C41.54622.27402.06211.58061.58062.36263.35223.13101.09472.30262.30262.25502.2550
C52.39872.39871.58061.58062.14683.35693.35692.35872.35871.09683.16872.49911.0991
C62.39872.39871.58061.58062.14683.35693.35692.35872.35873.16871.09681.09912.4991
H71.08652.20873.35222.36263.35693.35692.74244.34352.72433.43753.43754.35594.3559
H82.20871.08652.36263.35223.35693.35692.74242.72434.34353.43753.43754.35594.3559
H93.29302.28411.09473.13102.35872.35874.34352.72434.17292.94082.94082.74112.7411
H102.28413.29303.13101.09472.35872.35872.72434.34354.17292.94082.94082.74112.7411
H112.66562.66562.30262.30261.09683.16873.43753.43752.94082.94084.11663.59591.8085
H122.66562.66562.30262.30263.16871.09683.43753.43752.94082.94084.11661.80853.5959
H133.41083.41082.25502.25502.49911.09914.35594.35592.74112.74113.59591.80852.3466
H143.41083.41082.25502.25501.09912.49914.35594.35592.74112.74111.80853.59592.3466

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 103.344 C1 C2 H8 129.901
C1 C4 C5 100.190 C1 C4 C6 100.190
C1 C4 H10 118.749 C2 C1 C4 103.344
C2 C1 H7 129.901 C2 C3 C5 100.190
C2 C3 C6 100.190 C2 C3 H9 118.749
C3 C2 H8 126.755 C3 C5 C4 81.434
C3 C5 H11 117.501 C3 C5 H14 113.383
C3 C6 C4 81.434 C3 C6 H12 117.501
C3 C6 H13 113.383 C4 C1 H7 126.755
C4 C5 H11 117.501 C4 C5 H14 113.383
C4 C6 H12 117.501 C4 C6 H13 113.383
C5 C3 C6 85.550 C5 C3 H9 122.648
C5 C4 C6 85.550 C5 C4 H10 122.648
C6 C3 H9 122.648 C6 C4 H10 122.648
H11 C5 H14 110.891 H12 C6 H13 110.891
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 -0.328      
2 C -0.328      
3 C 0.198      
4 C 0.198      
5 C -0.617      
6 C -0.617      
7 H 0.207      
8 H 0.207      
9 H 0.214      
10 H 0.214      
11 H 0.166      
12 H 0.166      
13 H 0.159      
14 H 0.159      


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 -0.280 0.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.679 0.000 0.000
y 0.000 -35.560 0.000
z 0.000 0.000 -36.089
Traceless
 xyz
x -2.855 0.000 0.000
y 0.000 1.824 0.000
z 0.000 0.000 1.031
Polar
3z2-r22.061
x2-y2-3.120
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.492 0.000 0.000
y 0.000 9.733 0.000
z 0.000 0.000 9.837


<r2> (average value of r2) Å2
<r2> 102.519
(<r2>)1/2 10.125