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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-307.129735
Energy at 298.15K-307.136158
HF Energy-307.129735
Nuclear repulsion energy267.716400
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 PBEPBEultrafine/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 3117 3085 1.05      
2 A1 3079 3047 14.97      
3 A1 2922 2892 11.42      
4 A1 1680 1663 228.39      
5 A1 1647 1630 24.59      
6 A1 1387 1373 26.30      
7 A1 1374 1359 2.94      
8 A1 1158 1146 7.64      
9 A1 937 927 6.65      
10 A1 873 864 10.88      
11 A1 758 750 1.15      
12 A1 493 488 2.96      
13 A2 1168 1156 0.00      
14 A2 966 956 0.00      
15 A2 721 714 0.00      
16 A2 346 342 0.00      
17 B1 2929 2899 7.05      
18 B1 981 971 0.01      
19 B1 911 902 27.21      
20 B1 832 824 33.47      
21 B1 553 547 29.30      
22 B1 301 297 2.80      
23 B1 124 122 0.46      
24 B2 3115 3083 26.50      
25 B2 3078 3046 19.14      
26 B2 1611 1594 3.45      
27 B2 1379 1364 31.66      
28 B2 1338 1324 0.58      
29 B2 1233 1221 21.33      
30 B2 1106 1095 10.78      
31 B2 976 966 8.75      
32 B2 561 555 1.65      
33 B2 439 434 12.96      

Unscaled Zero Point Vibrational Energy (zpe) 22045.9 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 21816.6 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 PBEPBEultrafine/6-311G*
ABC
0.17430 0.08810 0.05915

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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
C12.94251.48121.48122.47802.47801.23372.19242.19243.47593.47593.73543.7354
C22.94252.49462.49461.49511.49514.17613.49983.49982.21972.21971.10991.1099
C31.48122.49462.51011.34832.85202.37831.09403.48632.12463.94763.22983.2298
C41.48122.49462.51012.85201.34832.37833.48631.09403.94762.12463.22983.2298
C52.47801.49511.34832.85202.51633.59582.13833.94421.09613.50692.14062.1406
C62.47801.49512.85201.34832.51633.59583.94422.13833.50691.09612.14062.1406
O71.23374.17612.37832.37833.59583.59582.61512.61514.49824.49824.94364.9436
H82.19243.49981.09403.48632.13833.94422.61514.36532.48045.04024.15434.1543
H92.19243.49983.48631.09403.94422.13832.61514.36535.04022.48044.15434.1543
H103.47592.21972.12463.94761.09613.50694.49822.48045.04024.41002.55182.5518
H113.47592.21973.94762.12463.50691.09614.49825.04022.48044.41002.55182.5518
H123.73541.10993.22983.22982.14062.14064.94364.15434.15432.55182.55181.7381
H133.73541.10993.22983.22982.14062.14064.94364.15434.15432.55182.55181.7381

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 122.209 C1 C3 H8 115.912
C1 C4 C6 122.209 C1 C4 H9 115.912
C2 C5 C3 122.565 C2 C5 H10 117.053
C2 C6 C4 122.565 C2 C6 H11 117.053
C3 C1 C4 115.846 C3 C1 O7 122.077
C3 C5 H10 120.381 C4 C1 O7 122.077
C4 C6 H11 120.381 C5 C2 C6 114.605
C5 C2 H12 109.636 C5 C2 H13 109.636
C5 C3 H8 121.879 C6 C2 H12 109.636
C6 C2 H13 109.636 C6 C4 H9 121.879
H12 C2 H13 103.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/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      


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