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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-231.999160
Energy at 298.15K-232.008286
Nuclear repulsion energy225.863281
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 B1B95/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3268 3126 7.32      
2 A 3259 3118 19.68      
3 A 3245 3104 9.00      
4 A 3238 3097 8.76      
5 A 3228 3088 0.44      
6 A 3167 3030 12.21      
7 A 3099 2965 15.69      
8 A 3060 2927 29.84      
9 A 1678 1606 1.40      
10 A 1521 1455 4.20      
11 A 1498 1434 4.90      
12 A 1399 1339 5.79      
13 A 1371 1312 2.50      
14 A 1327 1270 1.39      
15 A 1314 1257 3.71      
16 A 1239 1185 4.77      
17 A 1194 1142 1.52      
18 A 1164 1113 0.78      
19 A 1123 1075 0.58      
20 A 1113 1064 2.31      
21 A 1095 1047 11.07      
22 A 1070 1024 11.44      
23 A 1024 980 1.55      
24 A 1003 959 0.91      
25 A 980 938 2.36      
26 A 940 899 7.78      
27 A 937 896 4.31      
28 A 896 857 1.99      
29 A 826 790 10.12      
30 A 784 750 12.96      
31 A 780 746 2.28      
32 A 748 716 52.88      
33 A 691 661 1.40      
34 A 490 469 8.43      
35 A 355 339 0.98      
36 A 283 271 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 27201.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 26023.9 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 B1B95/3-21G
ABC
0.20855 0.15156 0.10767

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.647 -0.781 -0.398
C2 -0.791 -1.157 -0.041
C3 0.723 0.750 -0.454
C4 1.430 -0.025 0.657
C5 -1.455 0.188 0.209
C6 -0.640 1.211 -0.061
H7 1.190 -1.385 -1.111
H8 -1.284 -1.686 -0.867
H9 -0.830 -1.803 0.843
H10 1.300 1.280 -1.198
H11 1.000 0.056 1.648
H12 2.510 -0.098 0.612
H13 -2.470 0.272 0.575
H14 -0.900 2.257 0.027

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.52841.53431.51592.39282.39531.08052.18292.18332.30592.23872.22673.43043.4356
C21.52842.47012.58881.52082.37312.26261.09711.09603.41382.74473.52792.28913.4167
C31.53432.47011.52812.34521.49132.28193.18283.25791.08052.23112.24693.38822.2662
C41.51592.58881.52812.92722.51522.24343.52762.88152.27181.08341.08363.91153.3216
C52.39281.52082.34522.92721.33583.34822.16722.18063.28112.84853.99571.08172.1501
C62.39532.37311.49132.51521.33583.34473.07473.15222.24982.63493.47652.15271.0815
H71.08052.26262.28192.24343.34823.34472.50362.84192.66883.11852.52354.35634.3500
H82.18291.09713.18283.52762.16723.07472.50361.77373.94773.81754.37052.70504.0607
H92.18331.09603.25792.88152.18063.15222.84191.77374.26762.72963.75742.65774.1417
H102.30593.41381.08052.27183.28112.24982.66883.94774.26763.11262.57624.28622.7008
H112.23872.74472.23111.08342.84852.63493.11853.81752.72963.11261.83813.63793.3291
H122.22673.52792.24691.08363.99573.47652.52354.37053.75742.57621.83814.99344.1852
H133.43042.28913.38823.91151.08172.15274.35632.70502.65774.28623.63794.99342.5893
H143.43563.41672.26623.32162.15011.08154.35004.06074.14172.70083.32914.18522.5893

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 103.388 C1 C2 H8 111.429
C1 C2 H9 111.531 C1 C3 C4 59.341
C1 C3 C6 104.676 C1 C3 H10 122.785
C1 C4 C3 60.534 C1 C4 H11 117.963
C1 C4 H12 116.894 C2 C1 C3 107.509
C2 C1 C4 116.504 C2 C1 H7 119.290
C2 C5 C6 112.186 C2 C5 H13 122.278
C3 C1 C4 60.125 C3 C1 H7 120.553
C3 C4 H11 116.336 C3 C4 H12 117.696
C3 C6 C5 111.987 C3 C6 H14 122.687
C4 C1 H7 118.586 C4 C3 C6 112.812
C4 C3 H10 120.143 C5 C2 H8 110.714
C5 C2 H9 111.848 C5 C6 H14 125.282
C6 C3 H10 121.208 C6 C5 H13 125.533
H8 C2 H9 107.948 H11 C4 H12 116.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.262      
2 C -0.422      
3 C -0.343      
4 C -0.362      
5 C -0.210      
6 C -0.123      
7 H 0.216      
8 H 0.223      
9 H 0.224      
10 H 0.211      
11 H 0.224      
12 H 0.220      
13 H 0.200      
14 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.148 -0.191 -0.045 0.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.730 0.196 -1.672
y 0.196 -35.494 0.087
z -1.672 0.087 -37.309
Traceless
 xyz
x 1.671 0.196 -1.672
y 0.196 0.526 0.087
z -1.672 0.087 -2.197
Polar
3z2-r2-4.394
x2-y20.764
xy0.196
xz-1.672
yz0.087


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.792 0.557 -0.351
y 0.557 8.285 -0.111
z -0.351 -0.111 5.944


<r2> (average value of r2) Å2
<r2> 130.409
(<r2>)1/2 11.420