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

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-307.464398
Energy at 298.15K-307.471027
HF Energy-307.464398
Nuclear repulsion energy268.939984
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 B3LYP/6-31G(2df,p)
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 3194 3082 0.54      
2 A1 3157 3047 8.17      
3 A1 2988 2883 11.78      
4 A1 1754 1692 271.08      
5 A1 1704 1644 0.06      
6 A1 1429 1379 14.76      
7 A1 1413 1364 3.58      
8 A1 1191 1149 5.33      
9 A1 960 926 6.50      
10 A1 884 853 8.19      
11 A1 772 745 1.54      
12 A1 503 486 2.75      
13 A2 1196 1154 0.00      
14 A2 1018 982 0.00      
15 A2 759 732 0.00      
16 A2 363 350 0.00      
17 B1 2998 2893 7.54      
18 B1 1039 1003 0.01      
19 B1 958 925 21.08      
20 B1 872 841 24.39      
21 B1 583 563 15.96      
22 B1 323 311 2.81      
23 B1 131 127 0.94      
24 B2 3192 3081 18.98      
25 B2 3157 3046 14.19      
26 B2 1666 1608 3.35      
27 B2 1410 1361 30.65      
28 B2 1374 1326 0.56      
29 B2 1267 1223 27.33      
30 B2 1134 1094 10.19      
31 B2 992 957 5.32      
32 B2 575 555 0.86      
33 B2 451 435 13.94      

Unscaled Zero Point Vibrational Energy (zpe) 22701.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 21906.5 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 B3LYP/6-31G(2df,p)
ABC
0.17498 0.08913 0.05968

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.114
C2 0.000 0.000 -1.820
C3 0.000 1.254 0.330
C4 0.000 -1.254 0.330
C5 0.000 1.256 -1.008
C6 0.000 -1.256 -1.008
O7 0.000 0.000 2.335
H8 0.000 2.172 0.908
H9 0.000 -2.172 0.908
H10 0.000 2.194 -1.558
H11 0.000 -2.194 -1.558
H12 0.866 0.000 -2.502
H13 -0.866 0.000 -2.502

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.93451.47921.47922.46622.46621.22082.18212.18213.45763.45763.71833.7183
C22.93452.48902.48901.49581.49584.15533.48753.48752.20982.20981.10211.1021
C31.47922.48902.50801.33782.84442.36511.08533.47482.10893.93113.21563.2156
C41.47922.48902.50802.84441.33782.36513.47481.08533.93112.10893.21563.2156
C52.46621.49581.33782.84442.51233.57132.12393.92761.08733.49392.13522.1352
C62.46621.49582.84441.33782.51233.57133.92762.12393.49391.08732.13522.1352
O71.22084.15532.36512.36513.57133.57132.59912.59914.46884.46884.91384.9138
H82.18213.48751.08533.47482.12393.92762.59914.34472.46615.01474.13484.1348
H92.18213.48753.47481.08533.92762.12392.59914.34475.01472.46614.13484.1348
H103.45762.20982.10893.93111.08733.49394.46882.46615.01474.38832.54072.5407
H113.45762.20983.93112.10893.49391.08734.46885.01472.46614.38832.54072.5407
H123.71831.10213.21563.21562.13522.13524.91384.13484.13482.54072.54071.7322
H133.71831.10213.21563.21562.13522.13524.91384.13484.13482.54072.54071.7322

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 122.122 C1 C3 H8 115.771
C1 C4 C6 122.122 C1 C4 H9 115.771
C2 C5 C3 122.795 C2 C5 H10 116.735
C2 C6 C4 122.795 C2 C6 H11 116.735
C3 C1 C4 115.939 C3 C1 O7 122.030
C3 C5 H10 120.471 C4 C1 O7 122.030
C4 C6 H11 120.471 C5 C2 C6 114.229
C5 C2 H12 109.619 C5 C2 H13 109.619
C5 C3 H8 122.108 C6 C2 H12 109.619
C6 C2 H13 109.619 C6 C4 H9 122.108
H12 C2 H13 103.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.376      
2 C -0.335      
3 C -0.155      
4 C -0.155      
5 C -0.047      
6 C -0.047      
7 O -0.357      
8 H 0.109      
9 H 0.109      
10 H 0.109      
11 H 0.109      
12 H 0.141      
13 H 0.141      


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 -4.341 4.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.036 0.000 0.000
y 0.000 -36.067 0.000
z 0.000 0.000 -44.631
Traceless
 xyz
x -0.687 0.000 0.000
y 0.000 6.767 0.000
z 0.000 0.000 -6.080
Polar
3z2-r2-12.160
x2-y2-4.969
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.934 0.000 0.000
y 0.000 9.413 0.000
z 0.000 0.000 13.590


<r2> (average value of r2) Å2
<r2> 187.188
(<r2>)1/2 13.682