return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H8 (Bicyclo[3.1.0]hex-2-ene)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-232.091423
Energy at 298.15K-232.100343
Nuclear repulsion energy226.839473
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/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 A 3157 3110 6.52      
2 A 3153 3106 16.65      
3 A 3131 3084 5.06      
4 A 3126 3079 7.64      
5 A 3112 3066 8.36      
6 A 3060 3014 13.59      
7 A 2993 2948 12.03      
8 A 2957 2913 34.73      
9 A 1643 1619 5.52      
10 A 1423 1402 7.05      
11 A 1400 1379 6.28      
12 A 1349 1329 4.71      
13 A 1346 1325 3.48      
14 A 1286 1266 3.85      
15 A 1246 1227 0.03      
16 A 1172 1154 2.90      
17 A 1137 1120 3.02      
18 A 1089 1072 1.86      
19 A 1058 1042 0.39      
20 A 1046 1030 0.35      
21 A 1028 1013 2.88      
22 A 1011 996 3.90      
23 A 999 984 14.74      
24 A 975 960 5.78      
25 A 948 934 3.89      
26 A 913 900 10.84      
27 A 904 891 1.34      
28 A 868 855 4.53      
29 A 791 779 11.78      
30 A 781 769 13.72      
31 A 763 751 0.91      
32 A 703 693 48.21      
33 A 660 650 2.90      
34 A 469 462 8.81      
35 A 347 342 1.08      
36 A 280 276 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 26162.3 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 25769.9 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/6-31+G**
ABC
0.21217 0.15264 0.10839

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.635 -0.775 -0.384
C2 -0.794 -1.139 -0.043
C3 0.719 0.739 -0.441
C4 1.432 -0.033 0.640
C5 -1.451 0.184 0.209
C6 -0.629 1.210 -0.063
H7 1.182 -1.387 -1.109
H8 -1.289 -1.676 -0.877
H9 -0.856 -1.814 0.833
H10 1.310 1.271 -1.195
H11 1.027 0.053 1.656
H12 2.523 -0.112 0.579
H13 -2.476 0.281 0.581
H14 -0.892 2.269 0.027

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51301.51801.49452.37142.37511.09452.18072.18702.30202.23642.22013.42463.4307
C21.51302.44392.57731.49832.35422.25801.10841.10803.39952.76143.52672.28833.4098
C31.51802.44391.50732.33231.47682.27583.17063.25911.09562.22792.24043.38592.2704
C41.49452.57731.50732.92312.50682.22543.52162.90592.25371.09731.09533.92113.3278
C52.37141.49832.33232.92311.34243.33672.15932.17583.28272.87344.00201.09512.1664
C62.37512.35421.47682.50681.34243.33363.06973.16142.24632.65253.47742.16571.0952
H71.09452.25802.27582.22543.33673.33362.49812.84712.66163.12112.50404.36094.3536
H82.18071.10843.17063.52162.15933.06972.49811.76963.94153.84344.36932.71374.0662
H92.18701.10803.25912.90592.17583.16142.84711.76964.28002.77693.79142.65984.1616
H102.30203.39951.09562.25373.28272.24632.66163.94154.28003.11292.55544.29792.7093
H112.23642.76142.22791.09732.87342.65253.12113.84342.77693.11291.85003.67203.3540
H122.22013.52672.24041.09534.00203.47742.50404.36933.79142.55541.85005.01434.1996
H133.42462.28833.38593.92111.09512.16574.36092.71372.65984.29793.67205.01432.6018
H143.43073.40982.27043.32782.16641.09524.35364.06624.16162.70933.35404.19962.6018

picture of Bicyclo[3.1.0]hex-2-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 103.903 C1 C2 H8 111.652
C1 C2 H9 112.183 C1 C3 C4 59.206
C1 C3 C6 104.939 C1 C3 H10 122.652
C1 C4 C3 60.753 C1 C4 H11 118.479
C1 C4 H12 117.182 C2 C1 C3 107.469
C2 C1 C4 117.949 C2 C1 H7 119.108
C2 C5 C6 111.824 C2 C5 H13 123.107
C3 C1 C4 60.041 C3 C1 H7 120.312
C3 C4 H11 116.723 C3 C4 H12 117.949
C3 C6 C5 111.553 C3 C6 H14 123.256
C4 C1 H7 117.701 C4 C3 C6 114.282
C4 C3 H10 119.107 C5 C2 H8 110.972
C5 C2 H9 112.326 C5 C6 H14 125.128
C6 C3 H10 120.955 C6 C5 H13 125.065
H8 C2 H9 105.951 H11 C4 H12 115.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 C -0.573      
3 C -0.101      
4 C -0.443      
5 C -0.082      
6 C -0.152      
7 H 0.172      
8 H 0.185      
9 H 0.194      
10 H 0.169      
11 H 0.185      
12 H 0.178      
13 H 0.153      
14 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.221 -0.302 -0.130 0.396
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.729 0.377 -1.500
y 0.377 -36.375 0.076
z -1.500 0.076 -37.989
Traceless
 xyz
x 1.453 0.377 -1.500
y 0.377 0.484 0.076
z -1.500 0.076 -1.937
Polar
3z2-r2-3.874
x2-y20.646
xy0.377
xz-1.500
yz0.076


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.874 0.493 -0.155
y 0.493 10.341 -0.107
z -0.155 -0.107 8.244


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