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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-307.069386
Energy at 298.15K-307.075801
HF Energy-307.069386
Nuclear repulsion energy267.206942
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 PBEPBE/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 3138 3095 0.57      
2 A1 3100 3057 8.60      
3 A1 2932 2892 9.37      
4 A1 1696 1673 218.14      
5 A1 1657 1635 8.07      
6 A1 1381 1362 15.10      
7 A1 1373 1354 7.66      
8 A1 1156 1141 4.88      
9 A1 934 921 5.90      
10 A1 875 863 10.32      
11 A1 761 750 0.76      
12 A1 491 485 2.82      
13 A2 1153 1138 0.00      
14 A2 970 957 0.00      
15 A2 723 713 0.00      
16 A2 345 340 0.00      
17 B1 2947 2907 5.46      
18 B1 984 971 0.00      
19 B1 912 900 19.16      
20 B1 827 816 29.76      
21 B1 552 545 21.03      
22 B1 302 298 3.61      
23 B1 127 125 0.49      
24 B2 3137 3094 18.36      
25 B2 3099 3056 16.73      
26 B2 1621 1599 2.96      
27 B2 1382 1363 31.97      
28 B2 1336 1318 1.23      
29 B2 1234 1217 23.37      
30 B2 1105 1089 8.32      
31 B2 976 963 6.30      
32 B2 560 552 1.26      
33 B2 436 430 12.83      

Unscaled Zero Point Vibrational Energy (zpe) 22110.9 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 21807.9 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 PBEPBE/6-31G**
ABC
0.17371 0.08775 0.05892

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.118
C2 0.000 0.000 -1.828
C3 0.000 1.258 0.333
C4 0.000 -1.258 0.333
C5 0.000 1.260 -1.019
C6 0.000 -1.260 -1.019
O7 0.000 0.000 2.357
H8 0.000 2.185 0.913
H9 0.000 -2.185 0.913
H10 0.000 2.207 -1.573
H11 0.000 -2.207 -1.573
H12 0.871 0.000 -2.518
H13 -0.871 0.000 -2.518

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.94581.48251.48252.48092.48091.23942.19502.19503.47983.47983.73883.7388
C22.94582.49992.49991.49751.49754.18523.50543.50542.22162.22161.11101.1110
C31.48252.49992.51501.35182.85772.38341.09443.49152.12883.95383.23523.2352
C41.48252.49992.51502.85771.35182.38343.49151.09443.95382.12883.23523.2352
C52.48091.49751.35182.85772.52063.60392.14213.95041.09663.51102.14322.1432
C62.48091.49752.85771.35182.52063.60393.95042.14213.51101.09662.14322.1432
O71.23944.18522.38342.38343.60393.60392.61962.61964.50724.50724.95254.9525
H82.19503.50541.09443.49152.14213.95042.61964.37082.48575.04684.16004.1600
H92.19503.50543.49151.09443.95042.14212.61964.37085.04682.48574.16004.1600
H103.47982.22162.12883.95381.09663.51104.50722.48575.04684.41372.55382.5538
H113.47982.22163.95382.12883.51101.09664.50725.04682.48574.41372.55382.5538
H123.73881.11103.23523.23522.14322.14324.95254.16004.16002.55382.55381.7412
H133.73881.11103.23523.23522.14322.14324.95254.16004.16002.55382.55381.7412

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 122.097 C1 C3 H8 116.001
C1 C4 C6 122.097 C1 C4 H9 116.001
C2 C5 C3 122.574 C2 C5 H10 116.987
C2 C6 C4 122.574 C2 C6 H11 116.987
C3 C1 C4 116.040 C3 C1 O7 121.980
C3 C5 H10 120.438 C4 C1 O7 121.980
C4 C6 H11 120.438 C5 C2 C6 114.617
C5 C2 H12 109.606 C5 C2 H13 109.606
C5 C3 H8 121.902 C6 C2 H12 109.606
C6 C2 H13 109.606 C6 C4 H9 121.902
H12 C2 H13 103.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.363      
2 C -0.300      
3 C -0.098      
4 C -0.098      
5 C -0.088      
6 C -0.088      
7 O -0.467      
8 H 0.113      
9 H 0.113      
10 H 0.115      
11 H 0.115      
12 H 0.160      
13 H 0.160      


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 -4.407 4.407
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.377 0.000 0.000
y 0.000 -35.844 0.000
z 0.000 0.000 -44.038
Traceless
 xyz
x -1.436 0.000 0.000
y 0.000 6.863 0.000
z 0.000 0.000 -5.427
Polar
3z2-r2-10.854
x2-y2-5.533
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.435 0.000 0.000
y 0.000 9.584 0.000
z 0.000 0.000 13.876


<r2> (average value of r2) Å2
<r2> 189.175
(<r2>)1/2 13.754