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

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-305.613140
Energy at 298.15K-305.620135
HF Energy-305.613140
Nuclear repulsion energy270.676401
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/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 3350 3043 0.28      
2 A1 3311 3008 11.25      
3 A1 3151 2863 20.62      
4 A1 1967 1787 497.06      
5 A1 1853 1683 0.04      
6 A1 1569 1426 7.91      
7 A1 1526 1387 4.45      
8 A1 1282 1165 10.02      
9 A1 1037 942 3.74      
10 A1 929 844 5.23      
11 A1 814 740 2.24      
12 A1 536 487 3.59      
13 A2 1321 1200 0.00      
14 A2 1120 1018 0.00      
15 A2 821 746 0.00      
16 A2 395 359 0.00      
17 B1 3168 2878 18.02      
18 B1 1139 1035 2.61      
19 B1 1045 949 34.84      
20 B1 934 848 54.17      
21 B1 635 577 20.06      
22 B1 336 305 2.69      
23 B1 133 121 1.71      
24 B2 3348 3041 19.49      
25 B2 3310 3007 15.48      
26 B2 1816 1650 1.10      
27 B2 1541 1400 31.94      
28 B2 1503 1366 6.27      
29 B2 1370 1245 40.10      
30 B2 1229 1117 11.40      
31 B2 1052 956 6.44      
32 B2 615 559 0.19      
33 B2 491 446 19.45      

Unscaled Zero Point Vibrational Energy (zpe) 24323.9 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 22098.2 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/6-311G**
ABC
0.17475 0.09097 0.06048

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/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 1.259 0.328
C4 0.000 -1.259 0.328
C5 0.000 1.255 -0.994
C6 0.000 -1.255 -0.994
O7 0.000 0.000 2.304
H8 0.000 2.170 0.898
H9 0.000 -2.170 0.898
H10 0.000 2.186 -1.536
H11 0.000 -2.186 -1.536
H12 0.866 0.000 -2.474
H13 -0.866 0.000 -2.474

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92411.48281.48282.45122.45121.19282.18072.18073.43343.43343.68853.6885
C22.92412.48362.48361.49811.49814.11693.47283.47282.20342.20341.08971.0897
C31.48282.48362.51811.32232.84042.34311.07503.47642.08203.91713.19173.1917
C41.48282.48362.51812.84041.32232.34313.47641.07503.91712.08203.19173.1917
C52.45121.49811.32232.84042.50963.52902.10243.91321.07743.48322.12472.1247
C62.45121.49812.84041.32232.50963.52903.91322.10243.48321.07742.12472.1247
O71.19284.11692.34312.34313.52903.52902.58582.58584.41894.41894.85604.8560
H82.18073.47281.07503.47642.10243.91322.58584.34062.43464.99044.10284.1028
H92.18073.47283.47641.07503.91322.10242.58584.34064.99042.43464.10284.1028
H103.43342.20342.08203.91711.07743.48324.41892.43464.99044.37192.53142.5314
H113.43342.20343.91712.08203.48321.07744.41894.99042.43464.37192.53142.5314
H123.68851.08973.19173.19172.12472.12474.85604.10284.10282.53142.53141.7323
H133.68851.08973.19173.19172.12472.12474.85604.10284.10282.53142.53141.7323

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 121.704 C1 C3 H8 116.074
C1 C4 C6 121.704 C1 C4 H9 116.074
C2 C5 C3 123.299 C2 C5 H10 116.685
C2 C6 C4 123.299 C2 C6 H11 116.685
C3 C1 C4 116.225 C3 C1 O7 121.888
C3 C5 H10 120.016 C4 C1 O7 121.888
C4 C6 H11 120.016 C5 C2 C6 113.769
C5 C2 H12 109.361 C5 C2 H13 109.361
C5 C3 H8 122.222 C6 C2 H12 109.361
C6 C2 H13 109.361 C6 C4 H9 122.222
H12 C2 H13 105.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.344      
2 C -0.099      
3 C -0.150      
4 C -0.150      
5 C -0.125      
6 C -0.125      
7 O -0.427      
8 H 0.120      
9 H 0.120      
10 H 0.117      
11 H 0.117      
12 H 0.129      
13 H 0.129      


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 -4.709 4.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.683 0.000 0.000
y 0.000 -36.502 0.000
z 0.000 0.000 -46.162
Traceless
 xyz
x -1.351 0.000 0.000
y 0.000 7.921 0.000
z 0.000 0.000 -6.570
Polar
3z2-r2-13.140
x2-y2-6.181
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.954 0.000 0.000
y 0.000 8.405 0.000
z 0.000 0.000 13.522


<r2> (average value of r2) Å2
<r2> 185.819
(<r2>)1/2 13.632