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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-233.316703
Energy at 298.15K-233.326207
Nuclear repulsion energy231.583228
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 mPW1PW91/6-31G*
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 3287 3117 11.66      
2 A1 3164 3000 8.59      
3 A1 3161 2998 41.46      
4 A1 3091 2932 42.77      
5 A1 1663 1577 1.07      
6 A1 1544 1464 0.13      
7 A1 1300 1233 1.98      
8 A1 1160 1100 1.37      
9 A1 1080 1024 0.13      
10 A1 1017 964 0.04      
11 A1 977 926 0.01      
12 A1 863 818 1.40      
13 A1 533 506 0.47      
14 A2 1244 1180 0.00      
15 A2 1134 1075 0.00      
16 A2 1082 1027 0.00      
17 A2 916 869 0.00      
18 A2 872 827 0.00      
19 A2 542 514 0.00      
20 B1 3157 2994 36.42      
21 B1 3082 2923 55.85      
22 B1 1509 1431 0.48      
23 B1 1258 1193 1.74      
24 B1 1022 969 2.93      
25 B1 850 806 3.52      
26 B1 694 659 42.35      
27 B1 454 431 7.28      
28 B2 3261 3092 6.50      
29 B2 3162 2998 85.50      
30 B2 1359 1288 14.54      
31 B2 1275 1209 1.22      
32 B2 1254 1189 9.38      
33 B2 1123 1065 3.87      
34 B2 935 887 0.15      
35 B2 870 825 7.65      
36 B2 744 705 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 27318.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 25905.8 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 mPW1PW91/6-31G*
ABC
0.19626 0.15756 0.14422

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.668 1.210
C2 0.000 -0.668 1.210
C3 0.000 -1.017 -0.280
C4 0.000 1.017 -0.280
C5 1.059 0.000 -0.804
C6 -1.059 0.000 -0.804
H7 0.000 1.366 2.037
H8 0.000 -1.366 2.037
H9 0.000 -2.067 -0.574
H10 0.000 2.067 -0.574
H11 2.040 0.000 -0.322
H12 -2.040 0.000 -0.322
H13 -1.158 0.000 -1.896
H14 1.158 0.000 -1.896

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33632.24901.53002.37172.37171.08232.19603.26562.26712.63742.63743.38103.3810
C21.33631.53002.24902.37172.37172.19601.08232.26713.26562.63742.63743.38103.3810
C32.24901.53002.03331.55881.55883.32352.34311.09093.09782.27982.27982.23252.2325
C41.53002.24902.03331.55881.55882.34313.32353.09781.09092.27982.27982.23252.2325
C52.37172.37171.55881.55882.11773.32583.32582.33392.33391.09343.13632.47051.0956
C62.37172.37171.55881.55882.11773.32583.32582.33392.33393.13631.09341.09562.4705
H71.08232.19603.32352.34313.32583.32582.73244.31342.70343.40503.40504.32114.3211
H82.19601.08232.34313.32353.32583.32582.73242.70344.31343.40503.40504.32114.3211
H93.26562.26711.09093.09782.33392.33394.31342.70344.13432.91522.91522.71292.7129
H102.26713.26563.09781.09092.33392.33392.70344.31344.13432.91522.91522.71292.7129
H112.63742.63742.27982.27981.09343.13633.40503.40502.91522.91524.08033.56391.8040
H122.63742.63742.27982.27983.13631.09343.40503.40502.91522.91524.08031.80403.5639
H133.38103.38102.23252.23252.47051.09564.32114.32112.71292.71293.56391.80402.3152
H143.38103.38102.23252.23251.09562.47054.32114.32112.71292.71291.80403.56392.3152

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 103.166 C1 C2 H8 130.167
C1 C4 C5 100.318 C1 C4 C6 100.318
C1 C4 H10 118.808 C2 C1 C4 103.166
C2 C1 H7 130.167 C2 C3 C5 100.318
C2 C3 C6 100.318 C2 C3 H9 118.808
C3 C2 H8 126.668 C3 C5 C4 81.414
C3 C5 H11 117.466 C3 C5 H14 113.351
C3 C6 C4 81.414 C3 C6 H12 117.466
C3 C6 H13 113.351 C4 C1 H7 126.668
C4 C5 H11 117.466 C4 C5 H14 113.351
C4 C6 H12 117.466 C4 C6 H13 113.351
C5 C3 C6 85.574 C5 C3 H9 122.500
C5 C4 C6 85.574 C5 C4 H10 122.500
C6 C3 H9 122.500 C6 C4 H10 122.500
H11 C5 H14 110.999 H12 C6 H13 110.999
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 C -0.136      
3 C -0.205      
4 C -0.205      
5 C -0.305      
6 C -0.305      
7 H 0.165      
8 H 0.165      
9 H 0.152      
10 H 0.152      
11 H 0.168      
12 H 0.168      
13 H 0.161      
14 H 0.161      


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 -0.165 0.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.631 0.000 0.000
y 0.000 -34.899 0.000
z 0.000 0.000 -35.098
Traceless
 xyz
x -2.632 0.000 0.000
y 0.000 1.465 0.000
z 0.000 0.000 1.166
Polar
3z2-r22.333
x2-y2-2.731
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 119.528
(<r2>)1/2 10.933