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

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-230.786907
Energy at 298.15K-230.796303
Nuclear repulsion energy230.198504
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 LSDA/3-21G*
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 3209 3151 3.28      
2 A1 3115 3059 3.01      
3 A1 3100 3044 17.81      
4 A1 3010 2956 27.27      
5 A1 1592 1564 0.02      
6 A1 1468 1442 2.66      
7 A1 1235 1213 8.59      
8 A1 1125 1105 2.60      
9 A1 1041 1022 0.01      
10 A1 992 974 0.77      
11 A1 952 935 0.08      
12 A1 865 849 0.76      
13 A1 511 501 0.81      
14 A2 1210 1188 0.00      
15 A2 1081 1062 0.00      
16 A2 1058 1039 0.00      
17 A2 910 893 0.00      
18 A2 849 834 0.00      
19 A2 534 524 0.00      
20 B1 3096 3040 17.76      
21 B1 3001 2947 25.95      
22 B1 1438 1412 6.34      
23 B1 1198 1176 6.92      
24 B1 974 957 5.66      
25 B1 825 811 3.83      
26 B1 688 676 55.70      
27 B1 455 447 10.59      
28 B2 3179 3121 0.69      
29 B2 3111 3055 36.14      
30 B2 1293 1270 24.94      
31 B2 1243 1221 0.04      
32 B2 1183 1162 16.39      
33 B2 1100 1080 3.38      
34 B2 909 892 0.02      
35 B2 840 825 8.83      
36 B2 737 724 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 26561.9 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 26083.8 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 LSDA/3-21G*
ABC
0.19269 0.15651 0.14308

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 1.209
C2 0.000 -0.671 1.209
C3 0.000 -1.030 -0.285
C4 0.000 1.030 -0.285
C5 1.071 0.000 -0.803
C6 -1.071 0.000 -0.803
H7 0.000 1.371 2.043
H8 0.000 -1.371 2.043
H9 0.000 -2.084 -0.582
H10 0.000 2.084 -0.582
H11 2.044 0.000 -0.287
H12 -2.044 0.000 -0.287
H13 -1.166 0.000 -1.903
H14 1.166 0.000 -1.903

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34232.26361.53612.37562.37561.08892.20573.28602.28092.62002.62003.39083.3908
C21.34231.53612.26362.37562.37562.20571.08892.28093.28602.62002.62003.39083.3908
C32.26361.53612.05921.57331.57333.34392.35311.09563.12802.28842.28842.24512.2451
C41.53612.26362.05921.57331.57332.35313.34393.12801.09562.28842.28842.24512.2451
C52.37562.37561.57331.57332.14203.33553.33552.35372.35371.10103.15712.49361.1050
C62.37562.37561.57331.57332.14203.33553.33552.35372.35373.15711.10101.10502.4936
H71.08892.20573.34392.35313.33553.33552.74134.33892.72023.38903.38904.33784.3378
H82.20571.08892.35313.34393.33553.33552.74132.72024.33893.38903.38904.33784.3378
H93.28602.28091.09563.12802.35372.35374.33892.72024.16852.93392.93392.72992.7299
H102.28093.28603.12801.09562.35372.35372.72024.33894.16852.93392.93392.72992.7299
H112.62002.62002.28842.28841.10103.15713.38903.38902.93392.93394.08733.59421.8393
H122.62002.62002.28842.28843.15711.10103.38903.38902.93392.93394.08731.83933.5942
H133.39083.39082.24512.24512.49361.10504.33784.33782.72992.72993.59421.83932.3330
H143.39083.39082.24512.24511.10502.49364.33784.33782.72992.72991.83933.59422.3330

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 103.494 C1 C2 H8 129.972
C1 C4 C5 99.631 C1 C4 C6 99.631
C1 C4 H10 119.206 C2 C1 C4 103.494
C2 C1 H7 129.972 C2 C3 C5 99.631
C2 C3 C6 99.631 C2 C3 H9 119.206
C3 C2 H8 126.534 C3 C5 C4 81.754
C3 C5 H11 116.567 C3 C5 H14 112.749
C3 C6 C4 81.754 C3 C6 H12 116.567
C3 C6 H13 112.749 C4 C1 H7 126.534
C4 C5 H11 116.567 C4 C5 H14 112.749
C4 C6 H12 116.567 C4 C6 H13 112.749
C5 C3 C6 85.803 C5 C3 H9 122.742
C5 C4 C6 85.803 C5 C4 H10 122.742
C6 C3 H9 122.742 C6 C4 H10 122.742
H11 C5 H14 112.978 H12 C6 H13 112.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C -0.119      
3 C -0.387      
4 C -0.387      
5 C -0.287      
6 C -0.287      
7 H 0.195      
8 H 0.195      
9 H 0.180      
10 H 0.180      
11 H 0.213      
12 H 0.213      
13 H 0.206      
14 H 0.206      


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 -0.208 0.208
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.181 0.000 0.000
y 0.000 -35.160 0.000
z 0.000 0.000 -35.215
Traceless
 xyz
x -2.993 0.000 0.000
y 0.000 1.538 0.000
z 0.000 0.000 1.455
Polar
3z2-r22.910
x2-y2-3.021
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.649 0.000 0.000
y 0.000 8.247 0.000
z 0.000 0.000 8.401


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000