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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-305.659607
Energy at 298.15K-305.666624
HF Energy-305.659607
Nuclear repulsion energy271.197643
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 HF/Def2TZVPP
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 3349 3035 0.20      
2 A1 3309 2999 10.45      
3 A1 3146 2852 19.40      
4 A1 1946 1764 516.37      
5 A1 1846 1674 0.61      
6 A1 1568 1422 8.46      
7 A1 1533 1389 4.46      
8 A1 1285 1165 10.02      
9 A1 1043 945 3.76      
10 A1 929 842 5.36      
11 A1 814 738 2.84      
12 A1 538 487 3.54      
13 A2 1324 1200 0.00      
14 A2 1128 1022 0.00      
15 A2 826 749 0.00      
16 A2 399 362 0.00      
17 B1 3161 2865 11.91      
18 B1 1150 1043 1.31      
19 B1 1049 951 39.61      
20 B1 945 857 44.86      
21 B1 637 577 21.58      
22 B1 348 316 2.31      
23 B1 134 122 1.74      
24 B2 3347 3034 16.04      
25 B2 3308 2999 13.70      
26 B2 1809 1640 0.80      
27 B2 1542 1398 29.44      
28 B2 1506 1365 4.92      
29 B2 1377 1248 42.84      
30 B2 1231 1115 9.63      
31 B2 1052 953 5.35      
32 B2 616 558 0.36      
33 B2 493 447 18.20      

Unscaled Zero Point Vibrational Energy (zpe) 24343.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 22065.1 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 HF/Def2TZVPP
ABC
0.17530 0.09139 0.06072

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.105
C2 0.000 0.000 -1.807
C3 0.000 1.257 0.327
C4 0.000 -1.257 0.327
C5 0.000 1.252 -0.991
C6 0.000 -1.252 -0.991
O7 0.000 0.000 2.298
H8 0.000 2.167 0.896
H9 0.000 -2.167 0.896
H10 0.000 2.181 -1.533
H11 0.000 -2.181 -1.533
H12 0.864 0.000 -2.467
H13 -0.864 0.000 -2.467

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.91181.47871.47872.44222.44221.19272.17742.17743.42293.42293.67553.6755
C22.91182.47682.47681.49441.49444.10453.46393.46392.19842.19841.08761.0876
C31.47872.47682.51501.31872.83532.33761.07273.47162.07673.90953.18393.1839
C41.47872.47682.51502.83531.31872.33763.47161.07273.90952.07673.18393.1839
C52.44221.49441.31872.83532.50493.51962.09693.90581.07503.47612.11982.1198
C62.44221.49442.83531.31872.50493.51963.90582.09693.47611.07502.11982.1198
O71.19274.10452.33762.33763.51963.51962.58142.58144.40804.40804.84294.8429
H82.17743.46391.07273.47162.09693.90582.58144.33462.42814.98054.09294.0929
H92.17743.46393.47161.07273.90582.09692.58144.33464.98052.42814.09294.0929
H103.42292.19842.07673.90951.07503.47614.40802.42814.98054.36252.52542.5254
H113.42292.19843.90952.07673.47611.07504.40804.98052.42814.36252.52542.5254
H123.67551.08763.18393.18392.11982.11984.84294.09294.09292.52542.52541.7279
H133.67551.08763.18393.18392.11982.11984.84294.09294.09292.52542.52541.7279

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 121.525 C1 C3 H8 116.272
C1 C4 C6 121.525 C1 C4 H9 116.272
C2 C5 C3 123.277 C2 C5 H10 116.710
C2 C6 C4 123.277 C2 C6 H11 116.710
C3 C1 C4 116.515 C3 C1 O7 121.743
C3 C5 H10 120.013 C4 C1 O7 121.743
C4 C6 H11 120.013 C5 C2 C6 113.881
C5 C2 H12 109.352 C5 C2 H13 109.352
C5 C3 H8 122.203 C6 C2 H12 109.352
C6 C2 H13 109.352 C6 C4 H9 122.203
H12 C2 H13 105.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.358      
2 C 0.115      
3 C -0.134      
4 C -0.134      
5 C -0.136      
6 C -0.136      
7 O -0.443      
8 H 0.109      
9 H 0.109      
10 H 0.087      
11 H 0.087      
12 H 0.059      
13 H 0.059      


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 -4.833 4.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.729 0.000 0.000
y 0.000 -36.528 0.000
z 0.000 0.000 -46.374
Traceless
 xyz
x -1.278 0.000 0.000
y 0.000 8.023 0.000
z 0.000 0.000 -6.745
Polar
3z2-r2-13.491
x2-y2-6.201
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.229 0.000 0.000
y 0.000 9.111 0.000
z 0.000 0.000 13.975


<r2> (average value of r2) Å2
<r2> 185.231
(<r2>)1/2 13.610