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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-233.269249
Energy at 298.15K-233.278708
Nuclear repulsion energy231.737908
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/cc-pVDZ
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 3267 3140 8.84      
2 A1 3139 3017 18.96      
3 A1 3137 3016 35.12      
4 A1 3063 2944 36.00      
5 A1 1657 1592 1.80      
6 A1 1470 1413 0.33      
7 A1 1273 1223 2.58      
8 A1 1142 1097 1.19      
9 A1 1046 1006 0.28      
10 A1 1003 964 0.13      
11 A1 971 934 0.01      
12 A1 850 817 1.52      
13 A1 505 485 0.47      
14 A2 1210 1163 0.00      
15 A2 1111 1068 0.00      
16 A2 1054 1013 0.00      
17 A2 916 880 0.00      
18 A2 868 834 0.00      
19 A2 533 513 0.00      
20 B1 3133 3011 27.15      
21 B1 3054 2936 61.06      
22 B1 1438 1382 1.29      
23 B1 1235 1187 2.01      
24 B1 985 947 2.80      
25 B1 843 811 2.24      
26 B1 688 662 39.67      
27 B1 444 426 5.94      
28 B2 3238 3112 4.54      
29 B2 3137 3015 82.44      
30 B2 1331 1279 12.58      
31 B2 1241 1192 3.22      
32 B2 1224 1177 6.73      
33 B2 1096 1053 2.94      
34 B2 922 886 0.53      
35 B2 869 835 7.70      
36 B2 735 707 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 26912.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 25868.4 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/cc-pVDZ
ABC
0.19654 0.15808 0.14452

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 1.207
C2 0.000 -0.669 1.207
C3 0.000 -1.015 -0.280
C4 0.000 1.015 -0.280
C5 1.057 0.000 -0.802
C6 -1.057 0.000 -0.802
H7 0.000 1.370 2.038
H8 0.000 -1.370 2.038
H9 0.000 -2.071 -0.573
H10 0.000 2.071 -0.573
H11 2.043 0.000 -0.318
H12 -2.043 0.000 -0.318
H13 -1.151 0.000 -1.898
H14 1.151 0.000 -1.898

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33742.24621.52642.36652.36651.08752.20143.26722.26622.63552.63553.37863.3786
C21.33741.52642.24622.36652.36652.20141.08752.26623.26722.63552.63553.37863.3786
C32.24621.52642.03021.55571.55573.32572.34501.09583.09982.28152.28152.23052.2305
C41.52642.24622.03021.55571.55572.34503.32573.09981.09582.28152.28152.23052.2305
C52.36652.36651.55571.55572.11353.32583.32582.33612.33611.09853.13722.46481.1003
C62.36652.36651.55571.55572.11353.32583.32582.33612.33613.13721.09851.10032.4648
H71.08752.20143.32572.34503.32583.32582.73924.31952.70433.40623.40624.32424.3242
H82.20141.08752.34503.32573.32583.32582.73922.70434.31953.40623.40624.32424.3242
H93.26722.26621.09583.09982.33612.33614.31952.70434.14162.92002.92002.71442.7144
H102.26623.26723.09981.09582.33612.33612.70434.31954.14162.92002.92002.71442.7144
H112.63552.63552.28152.28151.09853.13723.40623.40622.92002.92004.08573.56331.8147
H122.63552.63552.28152.28153.13721.09853.40623.40622.92002.92004.08571.81473.5633
H133.37863.37862.23052.23052.46481.10034.32424.32422.71442.71443.56331.81472.3017
H143.37863.37862.23052.23051.10032.46484.32424.32422.71442.71441.81473.56332.3017

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 103.117 C1 C2 H8 130.131
C1 C4 C5 100.310 C1 C4 C6 100.310
C1 C4 H10 118.666 C2 C1 C4 103.117
C2 C1 H7 130.131 C2 C3 C5 100.310
C2 C3 C6 100.310 C2 C3 H9 118.666
C3 C2 H8 126.752 C3 C5 C4 81.464
C3 C5 H11 117.504 C3 C5 H14 113.123
C3 C6 C4 81.464 C3 C6 H12 117.504
C3 C6 H13 113.123 C4 C1 H7 126.752
C4 C5 H11 117.504 C4 C5 H14 113.123
C4 C6 H12 117.504 C4 C6 H13 113.123
C5 C3 C6 85.576 C5 C3 H9 122.590
C5 C4 C6 85.576 C5 C4 H10 122.590
C6 C3 H9 122.590 C6 C4 H10 122.590
H11 C5 H14 111.238 H12 C6 H13 111.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.027      
2 C 0.027      
3 C -0.098      
4 C -0.098      
5 C 0.099      
6 C 0.099      
7 H -0.022      
8 H -0.022      
9 H -0.035      
10 H -0.035      
11 H 0.014      
12 H 0.014      
13 H 0.015      
14 H 0.015      


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 -0.225 0.225
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.155 0.000 0.000
y 0.000 -35.427 0.000
z 0.000 0.000 -35.779
Traceless
 xyz
x -2.552 0.000 0.000
y 0.000 1.540 0.000
z 0.000 0.000 1.012
Polar
3z2-r22.023
x2-y2-2.728
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.690 0.000 0.000
y 0.000 9.163 0.000
z 0.000 0.000 9.211


<r2> (average value of r2) Å2
<r2> 119.741
(<r2>)1/2 10.943