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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-307.083878
Energy at 298.15K-307.090506
HF Energy-307.083878
Nuclear repulsion energy269.174416
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 PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3239 3087 0.39      
2 A1 3201 3050 7.49      
3 A1 3029 2887 8.65      
4 A1 1803 1718 290.40      
5 A1 1740 1658 0.43      
6 A1 1454 1386 18.24      
7 A1 1431 1363 3.98      
8 A1 1203 1146 5.83      
9 A1 970 924 5.33      
10 A1 906 863 10.12      
11 A1 789 752 1.05      
12 A1 506 482 2.92      
13 A2 1214 1157 0.00      
14 A2 1016 968 0.00      
15 A2 754 718 0.00      
16 A2 361 344 0.00      
17 B1 3050 2907 5.80      
18 B1 1033 985 0.09      
19 B1 956 912 22.91      
20 B1 862 821 40.76      
21 B1 577 550 22.17      
22 B1 316 301 3.63      
23 B1 130 124 0.78      
24 B2 3237 3085 14.83      
25 B2 3200 3050 14.93      
26 B2 1703 1623 3.26      
27 B2 1447 1379 36.47      
28 B2 1402 1336 2.67      
29 B2 1291 1230 26.39      
30 B2 1151 1097 8.48      
31 B2 1014 966 6.46      
32 B2 579 552 0.73      
33 B2 454 432 15.25      

Unscaled Zero Point Vibrational Energy (zpe) 23006.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 21927.0 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 PBE1PBE/6-31G**
ABC
0.17549 0.08930 0.05982

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

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 -1.817
C3 0.000 1.252 0.331
C4 0.000 -1.252 0.331
C5 0.000 1.253 -1.009
C6 0.000 -1.253 -1.009
O7 0.000 0.000 2.334
H8 0.000 2.173 0.907
H9 0.000 -2.173 0.907
H10 0.000 2.193 -1.558
H11 0.000 -2.193 -1.558
H12 0.868 0.000 -2.497
H13 -0.868 0.000 -2.497

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92731.47551.47552.46202.46201.22312.18292.18293.45393.45393.71063.7106
C22.92732.48592.48591.49081.49084.15043.48493.48492.20852.20851.10261.1026
C31.47552.48592.50501.33942.84102.36241.08663.47412.10963.92923.21213.2121
C41.47552.48592.50502.84101.33942.36243.47411.08663.92922.10963.21213.2121
C52.46201.49081.33942.84102.50583.56952.12573.92571.08883.48962.13022.1302
C62.46201.49082.84101.33942.50583.56953.92572.12573.48961.08882.13022.1302
O71.22314.15042.36242.36243.56953.56952.59962.59964.46684.46684.90814.9081
H82.18293.48491.08663.47412.12573.92572.59964.34682.46505.01444.13124.1312
H92.18293.48493.47411.08663.92572.12572.59964.34685.01442.46504.13124.1312
H103.45392.20852.10963.92921.08883.48964.46682.46505.01444.38652.53892.5389
H113.45392.20853.92922.10963.48961.08884.46685.01442.46504.38652.53892.5389
H123.71061.10263.21213.21212.13022.13024.90814.13124.13122.53892.53891.7354
H133.71061.10263.21213.21212.13022.13024.90814.13124.13122.53892.53891.7354

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 121.929 C1 C3 H8 116.032
C1 C4 C6 121.929 C1 C4 H9 116.032
C2 C5 C3 122.799 C2 C5 H10 116.911
C2 C6 C4 122.799 C2 C6 H11 116.911
C3 C1 C4 116.177 C3 C1 O7 121.911
C3 C5 H10 120.290 C4 C1 O7 121.911
C4 C6 H11 120.290 C5 C2 C6 114.366
C5 C2 H12 109.537 C5 C2 H13 109.537
C5 C3 H8 122.039 C6 C2 H12 109.537
C6 C2 H13 109.537 C6 C4 H9 122.039
H12 C2 H13 103.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.419      
2 C -0.426      
3 C -0.191      
4 C -0.191      
5 C -0.142      
6 C -0.142      
7 O -0.497      
8 H 0.188      
9 H 0.188      
10 H 0.184      
11 H 0.184      
12 H 0.213      
13 H 0.213      


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 -4.506 4.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.480 0.000 0.000
y 0.000 -35.497 0.000
z 0.000 0.000 -44.261
Traceless
 xyz
x -1.600 0.000 0.000
y 0.000 7.373 0.000
z 0.000 0.000 -5.773
Polar
3z2-r2-11.546
x2-y2-5.982
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.311 0.000 0.000
y 0.000 8.902 0.000
z 0.000 0.000 13.438


<r2> (average value of r2) Å2
<r2> 186.742
(<r2>)1/2 13.665