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

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-307.148217
Energy at 298.15K-307.154830
HF Energy-307.148217
Nuclear repulsion energy269.686444
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/6-311G*
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 3215 3082 0.66      
2 A1 3178 3046 11.36      
3 A1 3020 2894 10.30      
4 A1 1785 1711 317.65      
5 A1 1727 1655 1.77      
6 A1 1438 1379 22.15      
7 A1 1421 1362 5.76      
8 A1 1196 1146 8.00      
9 A1 968 928 5.84      
10 A1 902 865 10.78      
11 A1 785 753 1.39      
12 A1 507 486 3.06      
13 A2 1216 1166 0.00      
14 A2 1012 970 0.00      
15 A2 751 720 0.00      
16 A2 360 345 0.00      
17 B1 3035 2909 7.06      
18 B1 1028 985 0.25      
19 B1 949 909 31.56      
20 B1 864 828 39.39      
21 B1 574 550 28.82      
22 B1 311 298 3.07      
23 B1 126 120 0.67      
24 B2 3213 3080 20.13      
25 B2 3177 3046 15.73      
26 B2 1690 1620 3.26      
27 B2 1439 1379 36.87      
28 B2 1394 1336 2.14      
29 B2 1282 1229 25.09      
30 B2 1146 1098 9.74      
31 B2 1008 966 8.02      
32 B2 579 555 0.97      
33 B2 455 436 15.15      

Unscaled Zero Point Vibrational Energy (zpe) 22874.7 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 21925.4 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/6-311G*
ABC
0.17605 0.08965 0.06004

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

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 -1.007
C6 0.000 -1.251 -1.007
O7 0.000 0.000 2.328
H8 0.000 2.171 0.905
H9 0.000 -2.171 0.905
H10 0.000 2.191 -1.554
H11 0.000 -2.191 -1.554
H12 0.865 0.000 -2.493
H13 -0.865 0.000 -2.493

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92381.47451.47452.45952.45951.21732.18112.18113.44993.44993.70683.7068
C22.92382.48052.48051.48791.48794.14113.47843.47842.20652.20651.10101.1010
C31.47452.48052.50071.33632.83572.35771.08583.46972.10523.92313.20643.2064
C41.47452.48052.50072.83571.33632.35773.46971.08583.92312.10523.20643.2064
C52.45951.48791.33632.83572.50143.56192.12163.91971.08803.48512.12682.1268
C62.45951.48792.83571.33632.50143.56193.91972.12163.48511.08802.12682.1268
O71.21734.14112.35772.35773.56193.56192.59642.59644.45774.45774.89884.8988
H82.18113.47841.08583.46972.12163.91972.59644.34262.45855.00754.12444.1244
H92.18113.47843.46971.08583.91972.12162.59644.34265.00752.45854.12444.1244
H103.44992.20652.10523.92311.08803.48514.45772.45855.00754.38242.53642.5364
H113.44992.20653.92312.10523.48511.08804.45775.00752.45854.38242.53642.5364
H123.70681.10103.20643.20642.12682.12684.89884.12444.12442.53642.53641.7308
H133.70681.10103.20643.20642.12682.12684.89884.12444.12442.53642.53641.7308

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 122.022 C1 C3 H8 116.006
C1 C4 C6 122.022 C1 C4 H9 116.006
C2 C5 C3 122.784 C2 C5 H10 117.020
C2 C6 C4 122.784 C2 C6 H11 117.020
C3 C1 C4 115.989 C3 C1 O7 122.006
C3 C5 H10 120.196 C4 C1 O7 122.006
C4 C6 H11 120.196 C5 C2 C6 114.401
C5 C2 H12 109.565 C5 C2 H13 109.565
C5 C3 H8 121.972 C6 C2 H12 109.565
C6 C2 H13 109.565 C6 C4 H9 121.972
H12 C2 H13 103.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.289      
2 C -0.511      
3 C -0.263      
4 C -0.263      
5 C -0.159      
6 C -0.159      
7 O -0.340      
8 H 0.222      
9 H 0.222      
10 H 0.221      
11 H 0.221      
12 H 0.261      
13 H 0.261      


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 -4.536 4.536
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.297 0.000 0.000
y 0.000 -35.994 0.000
z 0.000 0.000 -44.743
Traceless
 xyz
x -1.928 0.000 0.000
y 0.000 7.526 0.000
z 0.000 0.000 -5.598
Polar
3z2-r2-11.195
x2-y2-6.303
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.959 0.000 0.000
y 0.000 9.337 0.000
z 0.000 0.000 13.832


<r2> (average value of r2) Å2
<r2> 186.533
(<r2>)1/2 13.658