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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-307.390148
Energy at 298.15K-307.396791
HF Energy-307.390148
Nuclear repulsion energy269.772805
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 mPW1PW91/6-31G(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 3225 3079 0.35      
2 A1 3188 3043 6.38      
3 A1 3020 2884 8.72      
4 A1 1790 1709 289.63      
5 A1 1729 1651 0.18      
6 A1 1425 1361 12.81      
7 A1 1416 1352 9.54      
8 A1 1191 1137 5.24      
9 A1 964 920 5.79      
10 A1 900 860 10.16      
11 A1 784 748 1.21      
12 A1 503 480 2.76      
13 A2 1200 1146 0.00      
14 A2 1025 979 0.00      
15 A2 761 727 0.00      
16 A2 363 346 0.00      
17 B1 3040 2903 4.79      
18 B1 1045 997 0.01      
19 B1 957 913 25.21      
20 B1 877 837 25.00      
21 B1 580 554 19.15      
22 B1 322 307 3.01      
23 B1 129 123 0.87      
24 B2 3223 3077 14.46      
25 B2 3187 3042 12.50      
26 B2 1692 1615 3.57      
27 B2 1428 1364 35.18      
28 B2 1385 1323 1.51      
29 B2 1276 1218 25.25      
30 B2 1137 1085 7.84      
31 B2 1005 959 5.67      
32 B2 576 550 0.64      
33 B2 450 430 14.41      

Unscaled Zero Point Vibrational Energy (zpe) 22895.8 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 21858.6 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 mPW1PW91/6-31G(2df,p)
ABC
0.17612 0.08971 0.06007

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.111
C2 0.000 0.000 -1.813
C3 0.000 1.250 0.329
C4 0.000 -1.250 0.329
C5 0.000 1.251 -1.006
C6 0.000 -1.251 -1.006
O7 0.000 0.000 2.327
H8 0.000 2.169 0.906
H9 0.000 -2.169 0.906
H10 0.000 2.189 -1.555
H11 0.000 -2.189 -1.555
H12 0.865 0.000 -2.494
H13 -0.865 0.000 -2.494

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92371.47441.47442.45862.45861.21662.17842.17843.44903.44903.70653.7065
C22.92372.48032.48031.48871.48874.14023.47763.47762.20372.20371.10051.1005
C31.47442.48032.50051.33512.83522.35701.08433.46722.10483.92113.20613.2061
C41.47442.48032.50052.83521.33512.35703.46721.08433.92112.10483.20613.2061
C52.45861.48871.33512.83522.50193.56022.12043.91761.08653.48302.12742.1274
C62.45861.48872.83521.33512.50193.56023.91762.12043.48301.08652.12742.1274
O71.21664.14022.35702.35703.56023.56022.59322.59324.45664.45664.89784.8978
H82.17843.47761.08433.46722.12043.91762.59324.33752.46065.00404.12374.1237
H92.17843.47763.46721.08433.91762.12042.59324.33755.00402.46064.12374.1237
H103.44902.20372.10483.92111.08653.48304.45662.46065.00404.37712.53352.5335
H113.44902.20373.92112.10483.48301.08654.45665.00402.46064.37712.53352.5335
H123.70651.10053.20613.20612.12742.12744.89784.12374.12372.53352.53351.7295
H133.70651.10053.20613.20612.12742.12744.89784.12374.12372.53352.53351.7295

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 122.038 C1 C3 H8 115.882
C1 C4 C6 122.038 C1 C4 H9 115.882
C2 C5 C3 122.798 C2 C5 H10 116.819
C2 C6 C4 122.798 C2 C6 H11 116.819
C3 C1 C4 115.983 C3 C1 O7 122.008
C3 C5 H10 120.383 C4 C1 O7 122.008
C4 C6 H11 120.383 C5 C2 C6 114.344
C5 C2 H12 109.589 C5 C2 H13 109.589
C5 C3 H8 122.079 C6 C2 H12 109.589
C6 C2 H13 109.589 C6 C4 H9 122.079
H12 C2 H13 103.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.408      
2 C -0.372      
3 C -0.194      
4 C -0.194      
5 C -0.090      
6 C -0.090      
7 O -0.383      
8 H 0.144      
9 H 0.144      
10 H 0.142      
11 H 0.142      
12 H 0.171      
13 H 0.171      


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 -4.403 4.403
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.002 0.000 0.000
y 0.000 -35.494 0.000
z 0.000 0.000 -44.007
Traceless
 xyz
x -1.252 0.000 0.000
y 0.000 7.011 0.000
z 0.000 0.000 -5.759
Polar
3z2-r2-11.519
x2-y2-5.508
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.956 0.000 0.000
y 0.000 9.298 0.000
z 0.000 0.000 13.505


<r2> (average value of r2) Å2
<r2> 185.912
(<r2>)1/2 13.635