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All results from a given calculation for C6H8 (1,4-Cyclohexadiene)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Ag
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-232.068889
Energy at 298.15K-232.077606
HF Energy-232.068889
Nuclear repulsion energy217.725697
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 wB97X-D/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 3225 3057 0.00      
2 Ag 3047 2887 0.00      
3 Ag 1794 1701 0.00      
4 Ag 1529 1449 0.00      
5 Ag 1288 1220 0.00      
6 Ag 858 814 0.00      
7 Ag 562 532 0.00      
8 Au 1298 1230 0.00      
9 Au 1044 990 0.00      
10 Au 394 373 0.00      
11 B1g 3197 3030 0.00      
12 B1g 1443 1368 0.00      
13 B1g 1412 1338 0.00      
14 B1g 1078 1022 0.00      
15 B1g 598 567 0.00      
16 B1u 3069 2909 33.44      
17 B1u 1007 954 22.23      
18 B1u 651 617 96.56      
19 B1u 108 102 0.89      
20 B2g 3070 2910 0.00      
21 B2g 1063 1007 0.00      
22 B2g 990 938 0.00      
23 B2g 410 388 0.00      
24 B2u 3221 3053 57.82      
25 B2u 1755 1664 1.39      
26 B2u 1415 1341 5.98      
27 B2u 1243 1179 0.78      
28 B2u 956 906 1.00      
29 B3g 1294 1227 0.00      
30 B3g 743 704 0.00      
31 B3u 3198 3031 9.36      
32 B3u 3048 2889 53.49      
33 B3u 1533 1453 10.52      
34 B3u 1483 1406 0.70      
35 B3u 1007 954 0.50      
36 B3u 891 844 12.84      

Unscaled Zero Point Vibrational Energy (zpe) 27459.2 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 26025.8 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 wB97X-D/3-21G*
ABC
0.17132 0.16331 0.08628

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.499 0.000 0.000
C2 -1.499 0.000 0.000
C3 -0.664 1.256 0.000
C4 0.664 1.256 0.000
C5 -0.664 -1.256 0.000
C6 0.664 -1.256 0.000
H7 1.202 -2.200 0.000
H8 -1.202 -2.200 0.000
H9 1.202 2.200 0.000
H10 -1.202 2.200 0.000
H11 2.164 0.000 0.878
H12 -2.164 0.000 0.878
H13 2.164 0.000 -0.878
H14 -2.164 0.000 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C12.99892.50201.50872.50201.50872.22023.48372.22023.48371.10093.76691.10093.7669
C22.99891.50872.50201.50872.50203.48372.22023.48372.22023.76691.10093.76691.1009
C32.50201.50871.32842.51292.84243.92803.49812.09091.08603.21662.14433.21662.1443
C41.50872.50201.32842.84242.51293.49813.92801.08602.09092.14433.21662.14433.2166
C52.50201.50872.51292.84241.32842.09091.08603.92803.49813.21662.14433.21662.1443
C61.50872.50202.84242.51291.32841.08602.09093.49813.92802.14433.21662.14433.2166
H72.22023.48373.92803.49812.09091.08602.40344.40025.01382.55674.11552.55674.1155
H83.48372.22023.49813.92801.08602.09092.40345.01384.40024.11552.55674.11552.5567
H92.22023.48372.09091.08603.92803.49814.40025.01382.40342.55674.11552.55674.1155
H103.48372.22021.08602.09093.49813.92805.01384.40022.40344.11552.55674.11552.5567
H111.10093.76693.21662.14433.21662.14432.55674.11552.55674.11554.32751.75584.6701
H123.76691.10092.14433.21662.14433.21664.11552.55674.11552.55674.32754.67011.7558
H131.10093.76693.21662.14433.21662.14432.55674.11552.55674.11551.75584.67014.3275
H143.76691.10092.14433.21662.14433.21664.11552.55674.11552.55674.67011.75584.3275

picture of 1,4-Cyclohexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 123.615 C1 C4 H9 116.720
C1 C6 C5 123.615 C1 C6 H7 116.720
C2 C3 C4 123.615 C2 C3 H10 116.720
C2 C5 C6 123.615 C2 C5 H8 116.720
C3 C2 C5 112.770 C3 C2 H12 109.515
C3 C2 H14 109.515 C3 C4 H9 119.665
C4 C1 C6 112.770 C4 C1 H11 109.515
C4 C1 H13 109.515 C4 C3 H10 119.665
C5 C2 H12 109.515 C5 C2 H14 109.515
C5 C6 H7 119.665 C6 C1 H11 109.515
C6 C1 H13 109.515 C6 C5 H8 119.665
H11 C1 H13 105.771 H12 C2 H14 105.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.521      
2 C -0.521      
3 C -0.178      
4 C -0.178      
5 C -0.178      
6 C -0.178      
7 H 0.208      
8 H 0.208      
9 H 0.208      
10 H 0.208      
11 H 0.231      
12 H 0.231      
13 H 0.231      
14 H 0.231      


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 -32.637 0.000 0.000
y 0.000 -34.592 0.000
z 0.000 0.000 -39.476
Traceless
 xyz
x 4.397 0.000 0.000
y 0.000 1.464 0.000
z 0.000 0.000 -5.861
Polar
3z2-r2-11.723
x2-y21.955
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.193 0.000 0.000
y 0.000 7.850 0.000
z 0.000 0.000 4.393


<r2> (average value of r2) Å2
<r2> 144.764
(<r2>)1/2 12.032