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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-307.390735
Energy at 298.15K-307.397326
HF Energy-307.390735
Nuclear repulsion energy269.352466
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 B3PW91/6-311G*
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 3198 3079 0.80      
2 A1 3161 3043 12.60      
3 A1 3002 2890 11.54      
4 A1 1761 1696 305.73      
5 A1 1711 1647 4.70      
6 A1 1436 1383 22.76      
7 A1 1418 1365 4.47      
8 A1 1194 1150 8.15      
9 A1 964 928 6.11      
10 A1 894 861 10.43      
11 A1 778 749 1.51      
12 A1 506 487 3.12      
13 A2 1213 1167 0.00      
14 A2 1008 970 0.00      
15 A2 748 720 0.00      
16 A2 359 346 0.00      
17 B1 3014 2902 7.92      
18 B1 1023 985 0.20      
19 B1 946 910 30.59      
20 B1 861 829 39.79      
21 B1 573 552 29.07      
22 B1 310 298 3.04      
23 B1 125 120 0.68      
24 B2 3196 3077 22.43      
25 B2 3160 3042 16.93      
26 B2 1673 1611 3.08      
27 B2 1428 1375 34.48      
28 B2 1386 1335 1.42      
29 B2 1276 1228 26.67      
30 B2 1144 1101 10.71      
31 B2 1001 964 8.12      
32 B2 577 555 1.18      
33 B2 453 436 14.82      

Unscaled Zero Point Vibrational Energy (zpe) 22747.1 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 21898.6 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 B3PW91/6-311G*
ABC
0.17567 0.08939 0.05988

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.112
C2 0.000 0.000 -1.816
C3 0.000 1.252 0.330
C4 0.000 -1.252 0.330
C5 0.000 1.252 -1.008
C6 0.000 -1.252 -1.008
O7 0.000 0.000 2.332
H8 0.000 2.173 0.904
H9 0.000 -2.173 0.904
H10 0.000 2.193 -1.555
H11 0.000 -2.193 -1.555
H12 0.865 0.000 -2.497
H13 -0.865 0.000 -2.497

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92781.47611.47612.46262.46261.21992.18302.18303.45323.45323.71133.7113
C22.92782.48352.48351.49011.49014.14773.48133.48132.20852.20851.10141.1014
C31.47612.48352.50311.33772.83892.36151.08603.47252.10683.92663.20983.2098
C41.47612.48352.50312.83891.33772.36153.47251.08603.92662.10683.20983.2098
C52.46261.49011.33772.83892.50493.56732.12253.92321.08823.48872.12922.1292
C62.46261.49012.83891.33772.50493.56733.92322.12253.48871.08822.12922.1292
O71.21994.14772.36152.36153.56733.56732.60012.60014.46334.46334.90584.9058
H82.18303.48131.08603.47252.12253.92322.60014.34612.45965.01124.12774.1277
H92.18303.48133.47251.08603.92322.12252.60014.34615.01122.45964.12774.1277
H103.45322.20852.10683.92661.08823.48874.46332.45965.01124.38622.53872.5387
H113.45322.20853.92662.10683.48871.08824.46335.01122.45964.38622.53872.5387
H123.71131.10143.20983.20982.12922.12924.90584.12774.12772.53872.53871.7310
H133.71131.10143.20983.20982.12922.12924.90584.12774.12772.53872.53871.7310

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 122.059 C1 C3 H8 116.025
C1 C4 C6 122.059 C1 C4 H9 116.025
C2 C5 C3 122.772 C2 C5 H10 117.009
C2 C6 C4 122.772 C2 C6 H11 117.009
C3 C1 C4 115.958 C3 C1 O7 122.021
C3 C5 H10 120.219 C4 C1 O7 122.021
C4 C6 H11 120.219 C5 C2 C6 114.381
C5 C2 H12 109.579 C5 C2 H13 109.579
C5 C3 H8 121.917 C6 C2 H12 109.579
C6 C2 H13 109.579 C6 C4 H9 121.917
H12 C2 H13 103.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.289      
2 C -0.495      
3 C -0.260      
4 C -0.260      
5 C -0.159      
6 C -0.159      
7 O -0.341      
8 H 0.219      
9 H 0.219      
10 H 0.218      
11 H 0.218      
12 H 0.256      
13 H 0.256      


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 -4.548 4.548
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.197 0.000 0.000
y 0.000 -35.933 0.000
z 0.000 0.000 -44.761
Traceless
 xyz
x -1.850 0.000 0.000
y 0.000 7.546 0.000
z 0.000 0.000 -5.697
Polar
3z2-r2-11.394
x2-y2-6.264
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.964 0.000 0.000
y 0.000 9.403 0.000
z 0.000 0.000 13.887


<r2> (average value of r2) Å2
<r2> 186.915
(<r2>)1/2 13.672