return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-233.210209
Energy at 298.15K-233.218221
Nuclear repulsion energy217.410381
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 BLYP/aug-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 Ag 2961 2955 0.00      
2 Ag 1677 1674 0.00      
3 Ag 1424 1421 0.00      
4 Ag 1139 1137 0.00      
5 Ag 827 826 0.00      
6 Ag 633 632 0.00      
7 Au 2996 2990 0.00      
8 Au 1096 1094 0.00      
9 Au 954 953 0.00      
10 Au 209 208 0.00      
11 B1g 2953 2947 0.00      
12 B1g 1411 1408 0.00      
13 B1g 1208 1206 0.00      
14 B1g 1086 1084 0.00      
15 B1g 775 774 0.00      
16 B1u 3009 3003 122.72      
17 B1u 1031 1029 2.79      
18 B1u 783 782 0.20      
19 B1u 34 34 13.67      
20 B2g 3010 3004 0.00      
21 B2g 1000 998 0.00      
22 B2g 717 716 0.00      
23 B2u 2955 2949 117.26      
24 B2u 1415 1413 0.09      
25 B2u 1150 1148 12.67      
26 B2u 870 869 0.22      
27 B2u 381 380 6.82      
28 B3g 2997 2991 0.00      
29 B3g 1116 1113 0.00      
30 B3g 1001 999 0.00      
31 B3g 380 380 0.00      
32 B3u 2955 2950 212.61      
33 B3u 1423 1421 2.33      
34 B3u 1201 1199 0.53      
35 B3u 1132 1129 0.00      
36 B3u 765 763 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25335.6 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 25287.4 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 BLYP/aug-cc-pVDZ
ABC
0.27294 0.11061 0.08382

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.668 0.000
C2 0.000 -0.668 0.000
C3 1.540 -0.811 0.000
C4 1.540 0.811 0.000
C5 -1.540 0.811 0.000
C6 -1.540 -0.811 0.000
H7 -1.995 -1.267 0.900
H8 -1.995 -1.267 -0.900
H9 -1.995 1.267 0.900
H10 -1.995 1.267 -0.900
H11 1.995 -1.267 0.900
H12 1.995 -1.267 -0.900
H13 1.995 1.267 0.900
H14 1.995 1.267 -0.900

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.33522.13491.54631.54632.13492.92122.92122.26942.26942.92122.92122.26942.2694
C21.33521.54632.13492.13491.54632.26942.26942.92122.92122.26942.26942.92122.9212
C32.13491.54631.62273.48063.07913.67603.67604.19824.19821.10671.10672.31012.3101
C41.54632.13491.62273.07913.48064.19824.19823.67603.67602.31012.31011.10671.1067
C51.54632.13493.48063.07911.62272.31012.31011.10671.10674.19824.19823.67603.6760
C62.13491.54633.07913.48061.62271.10671.10672.31012.31013.67603.67604.19824.1982
H72.92122.26943.67604.19822.31011.10671.79942.53393.10783.99084.37774.72725.0581
H82.92122.26943.67604.19822.31011.10671.79943.10782.53394.37773.99085.05814.7272
H92.26942.92124.19823.67601.10672.31012.53393.10781.79944.72725.05813.99084.3777
H102.26942.92124.19823.67601.10672.31013.10782.53391.79945.05814.72724.37773.9908
H112.92122.26941.10672.31014.19823.67603.99084.37774.72725.05811.79942.53393.1078
H122.92122.26941.10672.31014.19823.67604.37773.99085.05814.72721.79943.10782.5339
H132.26942.92122.31011.10673.67604.19824.72725.05813.99084.37772.53393.10781.7994
H142.26942.92122.31011.10673.67604.19825.05814.72724.37773.99083.10782.53391.7994

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 95.335 C1 C2 C6 95.335
C1 C4 C3 84.665 C1 C4 H13 116.639
C1 C4 H14 116.639 C1 C5 C6 84.665
C1 C5 H9 116.639 C1 C5 H10 116.639
C2 C1 C4 95.335 C2 C1 C5 95.335
C2 C3 C4 84.665 C2 C3 H11 116.639
C2 C3 H12 116.639 C2 C6 C5 84.665
C2 C6 H7 116.639 C2 C6 H8 116.639
C3 C2 C6 169.331 C3 C4 H13 114.308
C3 C4 H14 114.308 C4 C1 C5 169.331
C4 C3 H11 114.308 C4 C3 H12 114.308
C5 C6 H7 114.308 C5 C6 H8 114.308
C6 C5 H9 114.308 C6 C5 H10 114.308
H7 C6 H8 108.772 H9 C5 H10 108.772
H11 C3 H12 108.772 H13 C4 H14 108.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.645      
2 C -0.645      
3 C 1.521      
4 C 1.521      
5 C 1.521      
6 C 1.521      
7 H -0.599      
8 H -0.599      
9 H -0.599      
10 H -0.599      
11 H -0.599      
12 H -0.599      
13 H -0.599      
14 H -0.599      


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 -36.827 0.000 0.000
y 0.000 -38.466 0.000
z 0.000 0.000 -37.386
Traceless
 xyz
x 1.099 0.000 0.000
y 0.000 -1.359 0.000
z 0.000 0.000 0.260
Polar
3z2-r20.521
x2-y21.639
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.897 0.000 0.000
y 0.000 10.894 0.000
z 0.000 0.000 8.420


<r2> (average value of r2) Å2
<r2> 152.663
(<r2>)1/2 12.356