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

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-230.952690
Energy at 298.15K-230.960888
HF Energy-230.410787
Nuclear repulsion energy215.474187
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 MP2/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3119 2977 0.00      
2 Ag 1672 1596 0.00      
3 Ag 1561 1490 0.00      
4 Ag 1221 1166 0.00      
5 Ag 818 781 0.00      
6 Ag 605 578 0.00      
7 Au 3172 3027 0.00      
8 Au 1166 1113 0.00      
9 Au 1006 960 0.00      
10 Au 206 197 0.00      
11 B1g 3110 2969 0.00      
12 B1g 1550 1479 0.00      
13 B1g 1245 1188 0.00      
14 B1g 1078 1029 0.00      
15 B1g 808 772 0.00      
16 B1u 3188 3043 68.64      
17 B1u 1125 1074 0.55      
18 B1u 836 798 0.53      
19 B1u 130 124 17.78      
20 B2g 3188 3043 0.00      
21 B2g 1084 1034 0.00      
22 B2g 770 735 0.00      
23 B2u 3112 2970 50.84      
24 B2u 1552 1481 0.02      
25 B2u 1242 1185 18.35      
26 B2u 917 876 0.01      
27 B2u 331 316 7.81      
28 B3g 3173 3029 0.00      
29 B3g 1191 1137 0.00      
30 B3g 1036 989 0.00      
31 B3g 345 329 0.00      
32 B3u 3117 2975 79.47      
33 B3u 1563 1492 2.75      
34 B3u 1221 1166 1.50      
35 B3u 1176 1123 0.03      
36 B3u 729 696 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 26681.3 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 25467.3 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 MP2/3-21G
ABC
0.26750 0.10811 0.08189

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.671 0.000
C2 0.000 -0.671 0.000
C3 1.562 -0.827 0.000
C4 1.562 0.827 0.000
C5 -1.562 0.827 0.000
C6 -1.562 -0.827 0.000
H7 -2.002 -1.263 0.901
H8 -2.002 -1.263 -0.901
H9 -2.002 1.263 0.901
H10 -2.002 1.263 -0.901
H11 2.002 -1.263 0.901
H12 2.002 -1.263 -0.901
H13 2.002 1.263 0.901
H14 2.002 1.263 -0.901

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.34112.16371.56961.56962.16372.92512.92512.27352.27352.92512.92512.27352.2735
C21.34111.56962.16372.16371.56962.27352.27352.92512.92512.27352.27352.92512.9251
C32.16371.56961.65383.53443.12363.70133.70134.22814.22811.09331.09332.31792.3179
C41.56962.16371.65383.12363.53444.22814.22813.70133.70132.31792.31791.09331.0933
C51.56962.16373.53443.12361.65382.31792.31791.09331.09334.22814.22813.70133.7013
C62.16371.56963.12363.53441.65381.09331.09332.31792.31793.70133.70134.22814.2281
H72.92512.27353.70134.22812.31791.09331.80212.52593.10284.00314.39004.73345.0648
H82.92512.27353.70134.22812.31791.09331.80213.10282.52594.39004.00315.06484.7334
H92.27352.92514.22813.70131.09332.31792.52593.10281.80214.73345.06484.00314.3900
H102.27352.92514.22813.70131.09332.31793.10282.52591.80215.06484.73344.39004.0031
H112.92512.27351.09332.31794.22813.70134.00314.39004.73345.06481.80212.52593.1028
H122.92512.27351.09332.31794.22813.70134.39004.00315.06484.73341.80213.10282.5259
H132.27352.92512.31791.09333.70134.22814.73345.06484.00314.39002.52593.10281.8021
H142.27352.92512.31791.09333.70134.22815.06484.73344.39004.00313.10282.52591.8021

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 95.717 C1 C2 C6 95.717
C1 C4 C3 84.283 C1 C4 H13 116.100
C1 C4 H14 116.100 C1 C5 C6 84.283
C1 C5 H9 116.100 C1 C5 H10 116.100
C2 C1 C4 95.717 C2 C1 C5 95.717
C2 C3 C4 84.283 C2 C3 H11 116.100
C2 C3 H12 116.100 C2 C6 C5 84.283
C2 C6 H7 116.100 C2 C6 H8 116.100
C3 C2 C6 168.565 C3 C4 H13 113.503
C3 C4 H14 113.503 C4 C1 C5 168.565
C4 C3 H11 113.503 C4 C3 H12 113.503
C5 C6 H7 113.503 C5 C6 H8 113.503
C6 C5 H9 113.503 C6 C5 H10 113.503
H7 C6 H8 111.001 H9 C5 H10 111.001
H11 C3 H12 111.001 H13 C4 H14 111.001
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.368     -0.162
2 H 0.190     0.095
3 H 0.193     0.073
4 C -0.367     -0.222
5 H 0.192     0.085
6 H 0.193     0.114
7 C -0.364     -0.337
8 H 0.175     0.136
9 H 0.180     0.127
10 C -0.022     0.072
11 C -0.067     -0.026
12 C -0.316     -0.193
13 H 0.194     0.119
14 H 0.188     0.119


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.692 -0.242 0.365 0.819
CHELPG        
AIM        
ESP 0.694 -0.223 0.385 0.824


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.986 -0.998 -0.212
y -0.998 -36.764 0.412
z -0.212 0.412 -37.590
Traceless
 xyz
x 0.191 -0.998 -0.212
y -0.998 0.524 0.412
z -0.212 0.412 -0.715
Polar
3z2-r2-1.431
x2-y2-0.222
xy-0.998
xz-0.212
yz0.412


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> 169.206
(<r2>)1/2 13.008