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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-307.060786
Energy at 298.15K-307.067198
HF Energy-307.060786
Nuclear repulsion energy267.147910
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 PBEPBEultrafine/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 3138 3086 0.77      
2 A1 3099 3048 10.36      
3 A1 2929 2881 10.40      
4 A1 1698 1670 214.83      
5 A1 1660 1632 11.19      
6 A1 1403 1380 20.52      
7 A1 1384 1361 1.88      
8 A1 1165 1146 5.18      
9 A1 938 922 5.84      
10 A1 877 863 10.09      
11 A1 762 749 0.76      
12 A1 492 484 2.77      
13 A2 1164 1145 0.00      
14 A2 970 954 0.00      
15 A2 724 712 0.00      
16 A2 346 340 0.00      
17 B1 2943 2894 6.24      
18 B1 986 970 0.00      
19 B1 920 905 17.89      
20 B1 830 817 32.73      
21 B1 556 547 21.83      
22 B1 304 299 3.43      
23 B1 128 126 0.50      
24 B2 3137 3085 20.92      
25 B2 3098 3047 18.57      
26 B2 1624 1597 3.10      
27 B2 1387 1364 30.69      
28 B2 1346 1324 1.24      
29 B2 1243 1222 23.51      
30 B2 1111 1092 9.33      
31 B2 981 965 6.71      
32 B2 561 551 1.28      
33 B2 437 430 13.00      

Unscaled Zero Point Vibrational Energy (zpe) 22168.7 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 21803.0 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 PBEPBEultrafine/6-31G*
ABC
0.17367 0.08771 0.05890

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.118
C2 0.000 0.000 -1.829
C3 0.000 1.258 0.333
C4 0.000 -1.258 0.333
C5 0.000 1.260 -1.019
C6 0.000 -1.260 -1.019
O7 0.000 0.000 2.357
H8 0.000 2.186 0.914
H9 0.000 -2.186 0.914
H10 0.000 2.208 -1.573
H11 0.000 -2.208 -1.573
H12 0.872 0.000 -2.519
H13 -0.872 0.000 -2.519

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.94691.48251.48252.48102.48101.23952.19512.19513.48083.48083.74023.7402
C22.94692.50102.50101.49821.49824.18643.50733.50732.22232.22231.11211.1121
C31.48252.50102.51511.35202.85802.38331.09513.49192.12983.95483.23673.2367
C41.48252.50102.51512.85801.35202.38333.49191.09513.95482.12983.23673.2367
C52.48101.49821.35202.85802.52093.60412.14313.95131.09743.51212.14462.1446
C62.48101.49822.85801.35202.52093.60413.95132.14313.51211.09742.14462.1446
O71.23954.18642.38332.38333.60413.60412.61922.61924.50824.50824.95394.9539
H82.19513.50731.09513.49192.14313.95132.61924.37132.48755.04854.16234.1623
H92.19513.50733.49191.09513.95132.14312.61924.37135.04852.48754.16234.1623
H103.48082.22232.12983.95481.09743.51214.50822.48755.04854.41522.55512.5551
H113.48082.22233.95482.12983.51211.09744.50825.04852.48754.41522.55512.5551
H123.74021.11213.23673.23672.14462.14464.95394.16234.16232.55512.55511.7439
H133.74021.11213.23673.23672.14462.14464.95394.16234.16232.55512.55511.7439

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 122.100 C1 C3 H8 115.970
C1 C4 C6 122.100 C1 C4 H9 115.970
C2 C5 C3 122.599 C2 C5 H10 116.941
C2 C6 C4 122.599 C2 C6 H11 116.941
C3 C1 C4 116.049 C3 C1 O7 121.975
C3 C5 H10 120.460 C4 C1 O7 121.975
C4 C6 H11 120.460 C5 C2 C6 114.554
C5 C2 H12 109.604 C5 C2 H13 109.604
C5 C3 H8 121.930 C6 C2 H12 109.604
C6 C2 H13 109.604 C6 C4 H9 121.930
H12 C2 H13 103.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.388      
2 C -0.397      
3 C -0.151      
4 C -0.151      
5 C -0.115      
6 C -0.115      
7 O -0.469      
8 H 0.154      
9 H 0.154      
10 H 0.154      
11 H 0.154      
12 H 0.197      
13 H 0.197      


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 -41.409 0.000 0.000
y 0.000 -35.801 0.000
z 0.000 0.000 -44.047
Traceless
 xyz
x -1.485 0.000 0.000
y 0.000 6.927 0.000
z 0.000 0.000 -5.442
Polar
3z2-r2-10.884
x2-y2-5.608
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.378 0.000 0.000
y 0.000 9.505 0.000
z 0.000 0.000 13.813


<r2> (average value of r2) Å2
<r2> 189.242
(<r2>)1/2 13.757