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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-307.001374
Energy at 298.15K-307.008121
HF Energy-307.001374
Nuclear repulsion energy268.340967
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
4/u)
Dep P Dep U
1 A1 3253 3109 0.02      
2 A1 3211 3070 5.62      
3 A1 3023 2890 7.58      
4 A1 1762 1684 137.39      
5 A1 1691 1616 107.83      
6 A1 1477 1412 28.15      
7 A1 1447 1383 0.25      
8 A1 1229 1175 7.76      
9 A1 990 946 5.72      
10 A1 913 872 11.96      
11 A1 801 766 0.29      
12 A1 520 497 3.63      
13 A2 1230 1176 0.00      
14 A2 1045 999 0.00      
15 A2 776 741 0.00      
16 A2 375 359 0.00      
17 B1 3047 2913 5.82      
18 B1 1062 1015 0.00      
19 B1 974 932 23.17      
20 B1 868 830 53.52      
21 B1 595 568 31.53      
22 B1 327 313 4.10      
23 B1 135 129 0.89      
24 B2 3250 3107 17.37      
25 B2 3210 3068 15.24      
26 B2 1705 1630 6.36      
27 B2 1455 1391 35.02      
28 B2 1411 1349 1.37      
29 B2 1324 1266 26.01      
30 B2 1180 1128 8.54      
31 B2 1031 985 9.69      
32 B2 601 574 1.03      
33 B2 455 435 15.18      

Unscaled Zero Point Vibrational Energy (zpe) 23185.2 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 22162.8 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
0.17562 0.08839 0.05943

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 1.103
C2 0.000 0.000 -1.825
C3 0.000 1.250 0.331
C4 0.000 -1.250 0.331
C5 0.000 1.254 -1.013
C6 0.000 -1.254 -1.013
O7 0.000 0.000 2.353
H8 0.000 2.169 0.908
H9 0.000 -2.169 0.908
H10 0.000 2.194 -1.560
H11 0.000 -2.194 -1.560
H12 0.869 0.000 -2.504
H13 -0.869 0.000 -2.504

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92791.46951.46952.46002.46001.25022.17762.17763.45063.45063.71063.7106
C22.92792.49222.49221.49401.49404.17803.48913.48912.21032.21031.10331.1033
C31.46952.49222.50071.34432.84262.37751.08493.46762.11353.92963.21843.2184
C41.46952.49222.50072.84261.34432.37753.46761.08493.92962.11353.21843.2184
C52.46001.49401.34432.84262.50863.59252.12813.92561.08743.49172.13362.1336
C62.46001.49402.84261.34432.50863.59253.92562.12813.49171.08742.13362.1336
O71.25024.17802.37752.37753.59253.59252.60602.60604.48644.48644.93474.9347
H82.17763.48911.08493.46762.12813.92562.60604.33772.46845.01294.13594.1359
H92.17763.48913.46761.08493.92562.12812.60604.33775.01292.46844.13594.1359
H103.45062.21032.11353.92961.08743.49174.48642.46845.01294.38872.54212.5421
H113.45062.21033.92962.11353.49171.08744.48645.01292.46844.38872.54212.5421
H123.71061.10333.21843.21842.13362.13364.93474.13594.13592.54212.54211.7384
H133.71061.10333.21843.21842.13362.13364.93474.13594.13592.54212.54211.7384

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 121.861 C1 C3 H8 116.158
C1 C4 C6 121.861 C1 C4 H9 116.158
C2 C5 C3 122.736 C2 C5 H10 116.912
C2 C6 C4 122.736 C2 C6 H11 116.912
C3 C1 C4 116.617 C3 C1 O7 121.692
C3 C5 H10 120.352 C4 C1 O7 121.692
C4 C6 H11 120.352 C5 C2 C6 114.189
C5 C2 H12 109.547 C5 C2 H13 109.547
C5 C3 H8 121.981 C6 C2 H12 109.547
C6 C2 H13 109.547 C6 C4 H9 121.981
H12 C2 H13 103.968
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 0.269      
2 C -0.447      
3 C -0.138      
4 C -0.138      
5 C -0.127      
6 C -0.127      
7 O -0.467      
8 H 0.191      
9 H 0.191      
10 H 0.182      
11 H 0.182      
12 H 0.215      
13 H 0.215      


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 -4.988 4.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.922 0.000 0.000
y 0.000 -35.534 0.000
z 0.000 0.000 -45.690
Traceless
 xyz
x -1.310 0.000 0.000
y 0.000 8.272 0.000
z 0.000 0.000 -6.962
Polar
3z2-r2-13.925
x2-y2-6.388
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.030 0.000 0.000
y 0.000 8.601 0.000
z 0.000 0.000 13.714


<r2> (average value of r2) Å2
<r2> 188.102
(<r2>)1/2 13.715