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All results from a given calculation for C6H8 (Bicyclo[2.2.0]hex-1(4)-ene)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-37.449323
Energy at 298.15K-37.458066
Nuclear repulsion energy115.341676
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 HF/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3209 2899 0.00      
2 Ag 1897 1713 0.00      
3 Ag 1627 1469 0.00      
4 Ag 1340 1211 0.00      
5 Ag 942 851 0.00      
6 Ag 715 646 0.00      
7 Au 3239 2926 0.00      
8 Au 1257 1135 0.00      
9 Au 1088 983 0.00      
10 Au 234 212 0.00      
11 B1g 3193 2885 0.00      
12 B1g 1603 1448 0.00      
13 B1g 1411 1275 0.00      
14 B1g 1248 1127 0.00      
15 B1g 861 778 0.00      
16 B1u 3257 2943 221.19      
17 B1u 1187 1073 7.37      
18 B1u 880 795 0.51      
19 B1u 129 116 19.98      
20 B2g 3258 2943 0.00      
21 B2g 1138 1028 0.00      
22 B2g 812 733 0.00      
23 B2u 3196 2887 171.49      
24 B2u 1605 1450 1.19      
25 B2u 1344 1214 15.51      
26 B2u 1000 904 0.82      
27 B2u 429 387 7.80      
28 B3g 3241 2928 0.00      
29 B3g 1278 1155 0.00      
30 B3g 1152 1041 0.00      
31 B3g 433 391 0.00      
32 B3u 3202 2893 243.75      
33 B3u 1625 1468 9.55      
34 B3u 1351 1220 9.09      
35 B3u 1321 1193 1.59      
36 B3u 887 802 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 28294.1 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 25560.9 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 HF/CEP-121G*
ABC
0.28076 0.11235 0.08536

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.652 0.000
C2 0.000 -0.652 0.000
C3 1.530 -0.802 0.000
C4 1.530 0.802 0.000
C5 -1.530 0.802 0.000
C6 -1.530 -0.802 0.000
H7 -1.974 -1.253 0.884
H8 -1.974 -1.253 -0.884
H9 -1.974 1.253 0.884
H10 -1.974 1.253 -0.884
H11 1.974 -1.253 0.884
H12 1.974 -1.253 -0.884
H13 1.974 1.253 0.884
H14 1.974 1.253 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.30452.11071.53711.53712.11072.88202.88202.24462.24462.88202.88202.24462.2446
C21.30451.53712.11072.11071.53712.24462.24462.88202.88202.24462.24462.88202.8820
C32.11071.53711.60423.45463.05953.64143.64144.15674.15671.08721.08722.28052.2805
C41.53712.11071.60423.05953.45464.15674.15673.64143.64142.28052.28051.08721.0872
C51.53712.11073.45463.05951.60422.28052.28051.08721.08724.15674.15673.64143.6414
C62.11071.53713.05953.45461.60421.08721.08722.28052.28053.64143.64144.15674.1567
H72.88202.24463.64144.15672.28051.08721.76832.50523.06643.94774.32564.67544.9987
H82.88202.24463.64144.15672.28051.08721.76833.06642.50524.32563.94774.99874.6754
H92.24462.88204.15673.64141.08722.28052.50523.06641.76834.67544.99873.94774.3256
H102.24462.88204.15673.64141.08722.28053.06642.50521.76834.99874.67544.32563.9477
H112.88202.24461.08722.28054.15673.64143.94774.32564.67544.99871.76832.50523.0664
H122.88202.24461.08722.28054.15673.64144.32563.94774.99874.67541.76833.06642.5052
H132.24462.88202.28051.08723.64144.15674.67544.99873.94774.32562.50523.06641.7683
H142.24462.88202.28051.08723.64144.15674.99874.67544.32563.94773.06642.50521.7683

picture of Bicyclo[2.2.0]hex-1(4)-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 95.594 C1 C2 C6 95.594
C1 C4 C3 84.406 C1 C4 H13 116.546
C1 C4 H14 116.546 C1 C5 C6 84.406
C1 C5 H9 116.546 C1 C5 H10 116.546
C2 C1 C4 95.594 C2 C1 C5 95.594
C2 C3 C4 84.406 C2 C3 H11 116.546
C2 C3 H12 116.546 C2 C6 C5 84.406
C2 C6 H7 116.546 C2 C6 H8 116.546
C3 C2 C6 168.811 C3 C4 H13 114.481
C3 C4 H14 114.481 C4 C1 C5 168.811
C4 C3 H11 114.481 C4 C3 H12 114.481
C5 C6 H7 114.481 C5 C6 H8 114.481
C6 C5 H9 114.481 C6 C5 H10 114.481
H7 C6 H8 108.837 H9 C5 H10 108.837
H11 C3 H12 108.837 H13 C4 H14 108.837
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C 0.025      
3 C -0.340      
4 C -0.340      
5 C -0.340      
6 C -0.340      
7 H 0.164      
8 H 0.164      
9 H 0.164      
10 H 0.164      
11 H 0.164      
12 H 0.164      
13 H 0.164      
14 H 0.164      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.397 0.000 0.000
y 0.000 -37.488 0.000
z 0.000 0.000 -36.868
Traceless
 xyz
x 1.782 0.000 0.000
y 0.000 -1.356 0.000
z 0.000 0.000 -0.426
Polar
3z2-r2-0.852
x2-y22.092
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.848 0.000 0.000
y 0.000 9.376 0.000
z 0.000 0.000 7.039


<r2> (average value of r2) Å2
<r2> 123.954
(<r2>)1/2 11.133