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

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-307.129720
Energy at 298.15K-307.136135
HF Energy-307.129720
Nuclear repulsion energy267.717524
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 PBEPBE/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 3118 3086 1.07      
2 A1 3080 3048 15.01      
3 A1 2923 2892 11.40      
4 A1 1681 1663 227.99      
5 A1 1647 1630 25.00      
6 A1 1387 1372 26.07      
7 A1 1374 1359 3.16      
8 A1 1158 1146 7.64      
9 A1 936 927 6.72      
10 A1 873 864 10.77      
11 A1 758 750 1.14      
12 A1 493 488 2.96      
13 A2 1168 1156 0.00      
14 A2 966 956 0.00      
15 A2 720 713 0.00      
16 A2 345 341 0.00      
17 B1 2930 2900 7.05      
18 B1 981 971 0.01      
19 B1 910 901 27.29      
20 B1 832 823 33.27      
21 B1 552 546 29.43      
22 B1 299 296 2.83      
23 B1 121 120 0.43      
24 B2 3116 3084 26.54      
25 B2 3079 3047 19.16      
26 B2 1611 1595 3.47      
27 B2 1379 1364 31.68      
28 B2 1338 1324 0.59      
29 B2 1234 1221 21.31      
30 B2 1106 1095 10.79      
31 B2 976 966 8.73      
32 B2 560 555 1.64      
33 B2 439 434 12.96      

Unscaled Zero Point Vibrational Energy (zpe) 22044.4 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 21815.2 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 PBEPBE/6-311G*
ABC
0.17432 0.08810 0.05915

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

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 -1.825
C3 0.000 1.255 0.331
C4 0.000 -1.255 0.331
C5 0.000 1.258 -1.017
C6 0.000 -1.258 -1.017
O7 0.000 0.000 2.352
H8 0.000 2.183 0.911
H9 0.000 -2.183 0.911
H10 0.000 2.205 -1.569
H11 0.000 -2.205 -1.569
H12 0.869 0.000 -2.515
H13 -0.869 0.000 -2.515

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.94271.48121.48122.47802.47801.23372.19242.19243.47593.47593.73563.7356
C22.94272.49472.49471.49511.49514.17643.49983.49982.21972.21971.10991.1099
C31.48122.49472.50991.34822.85182.37841.09403.48622.12453.94743.22993.2299
C41.48122.49472.50992.85181.34822.37843.48621.09403.94742.12453.22993.2299
C52.47801.49511.34822.85182.51613.59582.13833.94411.09613.50672.14072.1407
C62.47801.49512.85181.34822.51613.59583.94412.13833.50671.09612.14072.1407
O71.23374.17642.37842.37843.59583.59582.61522.61524.49814.49814.94384.9438
H82.19243.49981.09403.48622.13833.94412.61524.36532.48025.04004.15434.1543
H92.19243.49983.48621.09403.94412.13832.61524.36535.04002.48024.15434.1543
H103.47592.21972.12453.94741.09613.50674.49812.48025.04004.40982.55192.5519
H113.47592.21973.94742.12453.50671.09614.49815.04002.48024.40982.55192.5519
H123.73561.10993.22993.22992.14072.14074.94384.15434.15432.55192.55191.7381
H133.73561.10993.22993.22992.14072.14074.94384.15434.15432.55192.55191.7381

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 122.213 C1 C3 H8 115.912
C1 C4 C6 122.213 C1 C4 H9 115.912
C2 C5 C3 122.574 C2 C5 H10 117.051
C2 C6 C4 122.574 C2 C6 H11 117.051
C3 C1 C4 115.835 C3 C1 O7 122.082
C3 C5 H10 120.375 C4 C1 O7 122.082
C4 C6 H11 120.375 C5 C2 C6 114.590
C5 C2 H12 109.640 C5 C2 H13 109.640
C5 C3 H8 121.875 C6 C2 H12 109.640
C6 C2 H13 109.640 C6 C4 H9 121.875
H12 C2 H13 103.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.247      
2 C -0.494      
3 C -0.237      
4 C -0.237      
5 C -0.144      
6 C -0.144      
7 O -0.303      
8 H 0.201      
9 H 0.201      
10 H 0.204      
11 H 0.204      
12 H 0.251      
13 H 0.251      


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 -4.454 4.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.388 0.000 0.000
y 0.000 -36.396 0.000
z 0.000 0.000 -44.732
Traceless
 xyz
x -1.825 0.000 0.000
y 0.000 7.165 0.000
z 0.000 0.000 -5.340
Polar
3z2-r2-10.680
x2-y2-5.993
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.054 0.000 0.000
y 0.000 10.042 0.000
z 0.000 0.000 14.292


<r2> (average value of r2) Å2
<r2> 189.049
(<r2>)1/2 13.750