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All results from a given calculation for C6H6O (2,5-Cyclohexadienone)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-307.244251
Energy at 298.15K-307.250969
HF Energy-307.244251
Nuclear repulsion energy267.946459
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 B3PW91/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3237 3100 0.08      
2 A1 3195 3060 7.32      
3 A1 3007 2880 9.67      
4 A1 1744 1670 119.48      
5 A1 1670 1600 116.03      
6 A1 1475 1412 26.50      
7 A1 1442 1381 0.09      
8 A1 1226 1174 7.86      
9 A1 984 943 5.94      
10 A1 904 866 11.48      
11 A1 793 760 0.35      
12 A1 517 495 3.66      
13 A2 1225 1173 0.00      
14 A2 1038 994 0.00      
15 A2 771 738 0.00      
16 A2 373 357 0.00      
17 B1 3029 2900 7.47      
18 B1 1055 1010 0.00      
19 B1 971 930 21.92      
20 B1 863 827 52.01      
21 B1 592 567 30.73      
22 B1 325 311 4.07      
23 B1 134 129 0.88      
24 B2 3234 3098 21.19      
25 B2 3193 3058 17.47      
26 B2 1688 1617 6.03      
27 B2 1445 1384 31.92      
28 B2 1403 1344 1.64      
29 B2 1317 1261 27.54      
30 B2 1176 1127 9.50      
31 B2 1023 979 9.40      
32 B2 597 572 1.18      
33 B2 453 434 14.78      

Unscaled Zero Point Vibrational Energy (zpe) 23050.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 22075.2 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 B3PW91/6-31G
ABC
0.17514 0.08810 0.05924

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.105
C2 0.000 0.000 -1.828
C3 0.000 1.252 0.331
C4 0.000 -1.252 0.331
C5 0.000 1.256 -1.015
C6 0.000 -1.256 -1.015
O7 0.000 0.000 2.358
H8 0.000 2.171 0.908
H9 0.000 -2.171 0.908
H10 0.000 2.197 -1.562
H11 0.000 -2.197 -1.562
H12 0.869 0.000 -2.508
H13 -0.869 0.000 -2.508

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.93251.47151.47152.46372.46371.25302.18012.18013.45463.45463.71573.7157
C22.93252.49602.49601.49661.49664.18553.49293.49292.21282.21281.10381.1038
C31.47152.49602.50391.34602.84662.38191.08533.47142.11563.93413.22253.2225
C41.47152.49602.50392.84661.34602.38193.47141.08533.93412.11563.22253.2225
C52.46371.49661.34602.84662.51273.59872.12943.93011.08793.49612.13642.1364
C62.46371.49662.84661.34602.51273.59873.93012.12943.49611.08792.13642.1364
O71.25304.18552.38192.38193.59873.59872.61052.61054.49294.49294.94264.9426
H82.18013.49291.08533.47142.12943.93012.61054.34242.47005.01794.14014.1401
H92.18013.49293.47141.08533.93012.12942.61054.34245.01792.47004.14014.1401
H103.45462.21282.11563.93411.08793.49614.49292.47005.01794.39352.54502.5450
H113.45462.21283.93412.11563.49611.08794.49295.01792.47004.39352.54502.5450
H123.71571.10383.22253.22252.13642.13644.94264.14014.14012.54502.54501.7390
H133.71571.10383.22253.22252.13642.13644.94264.14014.14012.54502.54501.7390

picture of 2,5-Cyclohexadienone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C5 121.888 C1 C3 H8 116.187
C1 C4 C6 121.888 C1 C4 H9 116.187
C2 C5 C3 122.730 C2 C5 H10 116.902
C2 C6 C4 122.730 C2 C6 H11 116.902
C3 C1 C4 116.597 C3 C1 O7 121.701
C3 C5 H10 120.368 C4 C1 O7 121.701
C4 C6 H11 120.368 C5 C2 C6 114.168
C5 C2 H12 109.558 C5 C2 H13 109.558
C5 C3 H8 121.925 C6 C2 H12 109.558
C6 C2 H13 109.558 C6 C4 H9 121.925
H12 C2 H13 103.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.267      
2 C -0.432      
3 C -0.131      
4 C -0.131      
5 C -0.121      
6 C -0.121      
7 O -0.462      
8 H 0.183      
9 H 0.183      
10 H 0.174      
11 H 0.174      
12 H 0.208      
13 H 0.208      


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 -4.976 4.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.778 0.000 0.000
y 0.000 -35.472 0.000
z 0.000 0.000 -45.633
Traceless
 xyz
x -1.225 0.000 0.000
y 0.000 8.234 0.000
z 0.000 0.000 -7.008
Polar
3z2-r2-14.016
x2-y2-6.306
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.040 0.000 0.000
y 0.000 8.701 0.000
z 0.000 0.000 13.763


<r2> (average value of r2) Å2
<r2> 188.538
(<r2>)1/2 13.731