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

using model chemistry: B1B95/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-307.406980
Energy at 298.15K-307.413525
HF Energy-307.406980
Nuclear repulsion energy270.496049
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 B1B95/TZVP
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 3223 3084 0.12      
2 A1 3186 3049 6.33      
3 A1 3026 2896 6.64      
4 A1 1773 1697 345.99      
5 A1 1726 1651 4.82      
6 A1 1427 1365 9.27      
7 A1 1420 1359 19.70      
8 A1 1199 1147 7.59      
9 A1 966 925 5.97      
10 A1 899 860 11.28      
11 A1 784 750 1.93      
12 A1 504 482 3.02      
13 A2 1206 1154 0.00      
14 A2 1006 962 0.00      
15 A2 748 716 0.00      
16 A2 355 340 0.00      
17 B1 3043 2912 3.62      
18 B1 1014 970 4.08      
19 B1 942 902 22.97      
20 B1 828 793 40.14      
21 B1 569 544 22.18      
22 B1 283 271 3.47      
23 B1 112 107 0.93      
24 B2 3221 3082 12.47      
25 B2 3186 3048 12.42      
26 B2 1689 1617 2.33      
27 B2 1433 1372 35.26      
28 B2 1388 1328 1.74      
29 B2 1283 1228 28.45      
30 B2 1147 1098 8.80      
31 B2 1007 964 6.31      
32 B2 573 549 0.84      
33 B2 455 435 14.08      

Unscaled Zero Point Vibrational Energy (zpe) 22810.0 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 21826.9 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 B1B95/TZVP
ABC
0.17698 0.09023 0.06041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.106
C2 0.000 0.000 -1.807
C3 0.000 1.248 0.328
C4 0.000 -1.248 0.328
C5 0.000 1.247 -1.003
C6 0.000 -1.247 -1.003
O7 0.000 0.000 2.322
H8 0.000 2.165 0.900
H9 0.000 -2.165 0.900
H10 0.000 2.183 -1.548
H11 0.000 -2.183 -1.548
H12 0.864 0.000 -2.483
H13 -0.864 0.000 -2.483

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.91271.47031.47032.44982.44981.21652.17522.17523.43653.43653.69093.6909
C22.91272.47302.47301.48371.48374.12933.46673.46672.19872.19871.09661.0966
C31.47032.47302.49561.33102.82772.35241.08143.46092.09653.91063.19433.1943
C41.47032.47302.49562.82771.33102.35243.46091.08143.91062.09653.19433.1943
C52.44981.48371.33102.82772.49403.55142.11323.90731.08353.47342.11912.1191
C62.44981.48372.82771.33102.49403.55143.90732.11323.47341.08352.11912.1191
O71.21654.12932.35242.35243.55143.55142.59062.59064.44374.44374.88204.8820
H82.17523.46671.08143.46092.11323.90732.59064.33092.44844.99074.10844.1084
H92.17523.46673.46091.08143.90732.11322.59064.33094.99072.44844.10844.1084
H103.43652.19872.09653.91061.08353.47344.44372.44844.99074.36682.52722.5272
H113.43652.19873.91062.09653.47341.08354.44374.99072.44844.36682.52722.5272
H123.69091.09663.19433.19432.11912.11914.88204.10844.10842.52722.52721.7273
H133.69091.09663.19433.19432.11912.11914.88204.10844.10842.52722.52721.7273

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 121.897 C1 C3 H8 116.124
C1 C4 C6 121.897 C1 C4 H9 116.124
C2 C5 C3 122.848 C2 C5 H10 116.984
C2 C6 C4 122.848 C2 C6 H11 116.984
C3 C1 C4 116.136 C3 C1 O7 121.932
C3 C5 H10 120.168 C4 C1 O7 121.932
C4 C6 H11 120.168 C5 C2 C6 114.374
C5 C2 H12 109.506 C5 C2 H13 109.506
C5 C3 H8 121.979 C6 C2 H12 109.506
C6 C2 H13 109.506 C6 C4 H9 121.979
H12 C2 H13 103.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.216      
2 C -0.199      
3 C -0.196      
4 C -0.196      
5 C -0.096      
6 C -0.096      
7 O -0.294      
8 H 0.138      
9 H 0.138      
10 H 0.146      
11 H 0.146      
12 H 0.149      
13 H 0.149      


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 -4.767 4.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.176 0.000 0.000
y 0.000 -36.124 0.000
z 0.000 0.000 -45.603
Traceless
 xyz
x -1.313 0.000 0.000
y 0.000 7.766 0.000
z 0.000 0.000 -6.453
Polar
3z2-r2-12.907
x2-y2-6.052
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.998 0.000 0.000
y 0.000 9.661 0.000
z 0.000 0.000 14.500


<r2> (average value of r2) Å2
<r2> 185.719
(<r2>)1/2 13.628