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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-37.334802
Energy at 298.15K-37.343647
Nuclear repulsion energy114.656929
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 3186 2907 0.00      
2 Ag 1880 1716 0.00      
3 Ag 1624 1482 0.00      
4 Ag 1331 1214 0.00      
5 Ag 933 851 0.00      
6 Ag 703 642 0.00      
7 Au 3228 2946 0.00      
8 Au 1251 1142 0.00      
9 Au 1094 998 0.00      
10 Au 241 220 0.00      
11 B1g 3168 2891 0.00      
12 B1g 1605 1465 0.00      
13 B1g 1389 1267 0.00      
14 B1g 1245 1136 0.00      
15 B1g 879 802 0.00      
16 B1u 3249 2964 208.44      
17 B1u 1188 1084 6.59      
18 B1u 884 807 0.00      
19 B1u 153 140 25.98      
20 B2g 3249 2964 0.00      
21 B2g 1138 1038 0.00      
22 B2g 826 754 0.00      
23 B2u 3170 2893 155.22      
24 B2u 1607 1467 0.27      
25 B2u 1350 1232 21.21      
26 B2u 1025 935 0.79      
27 B2u 422 385 10.60      
28 B3g 3231 2948 0.00      
29 B3g 1269 1158 0.00      
30 B3g 1168 1066 0.00      
31 B3g 449 410 0.00      
32 B3u 3181 2903 204.55      
33 B3u 1622 1480 0.62      
34 B3u 1341 1224 5.66      
35 B3u 1321 1206 0.01      
36 B3u 872 796 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 28236.0 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 25765.4 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 HF/CEP-121G
ABC
0.27702 0.11077 0.08411

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 0.660 0.000
C2 0.000 -0.660 0.000
C3 1.542 -0.809 0.000
C4 1.542 0.809 0.000
C5 -1.542 0.809 0.000
C6 -1.542 -0.809 0.000
H7 -1.985 -1.256 0.884
H8 -1.985 -1.256 -0.884
H9 -1.985 1.256 0.884
H10 -1.985 1.256 -0.884
H11 1.985 -1.256 0.884
H12 1.985 -1.256 -0.884
H13 1.985 1.256 0.884
H14 1.985 1.256 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.31942.12911.54891.54892.12912.89732.89732.25382.25382.89732.89732.25382.2538
C21.31941.54892.12912.12911.54892.25382.25382.89732.89732.25382.25382.89732.8973
C32.12911.54891.61723.48193.08353.66383.66384.18174.18171.08581.08582.28952.2895
C41.54892.12911.61723.08353.48194.18174.18173.66383.66382.28952.28951.08581.0858
C51.54892.12913.48193.08351.61722.28952.28951.08581.08584.18174.18173.66383.6638
C62.12911.54893.08353.48191.61721.08581.08582.28952.28953.66383.66384.18174.1817
H72.89732.25383.66384.18172.28951.08581.76832.51243.07223.97104.34694.69905.0207
H82.89732.25383.66384.18172.28951.08581.76833.07222.51244.34693.97105.02074.6990
H92.25382.89734.18173.66381.08582.28952.51243.07221.76834.69905.02073.97104.3469
H102.25382.89734.18173.66381.08582.28953.07222.51241.76835.02074.69904.34693.9710
H112.89732.25381.08582.28954.18173.66383.97104.34694.69905.02071.76832.51243.0722
H122.89732.25381.08582.28954.18173.66384.34693.97105.02074.69901.76833.07222.5124
H132.25382.89732.28951.08583.66384.18174.69905.02073.97104.34692.51243.07221.7683
H142.25382.89732.28951.08583.66384.18175.02074.69904.34693.97103.07222.51241.7683

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 95.516 C1 C2 C6 95.516
C1 C4 C3 84.484 C1 C4 H13 116.513
C1 C4 H14 116.513 C1 C5 C6 84.484
C1 C5 H9 116.513 C1 C5 H10 116.513
C2 C1 C4 95.516 C2 C1 C5 95.516
C2 C3 C4 84.484 C2 C3 H11 116.513
C2 C3 H12 116.513 C2 C6 C5 84.484
C2 C6 H7 116.513 C2 C6 H8 116.513
C3 C2 C6 168.968 C3 C4 H13 114.344
C3 C4 H14 114.344 C4 C1 C5 168.968
C4 C3 H11 114.344 C4 C3 H12 114.344
C5 C6 H7 114.344 C5 C6 H8 114.344
C6 C5 H9 114.344 C6 C5 H10 114.344
H7 C6 H8 109.033 H9 C5 H10 109.033
H11 C3 H12 109.033 H13 C4 H14 109.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.029      
2 C 0.029      
3 C -0.281      
4 C -0.281      
5 C -0.281      
6 C -0.281      
7 H 0.133      
8 H 0.133      
9 H 0.133      
10 H 0.133      
11 H 0.133      
12 H 0.133      
13 H 0.133      
14 H 0.133      


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 -35.471 0.000 0.000
y 0.000 -38.065 0.000
z 0.000 0.000 -37.389
Traceless
 xyz
x 2.256 0.000 0.000
y 0.000 -1.635 0.000
z 0.000 0.000 -0.621
Polar
3z2-r2-1.242
x2-y22.595
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.688 0.000 0.000
y 0.000 9.471 0.000
z 0.000 0.000 6.964


<r2> (average value of r2) Å2
<r2> 125.472
(<r2>)1/2 11.201