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

using model chemistry: MP3=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-306.576104
Energy at 298.15K-306.582719
HF Energy-305.564466
Nuclear repulsion energy267.386917
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 MP3=FULL/cc-pVDZ
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 3259 3065 0.32      
2 A1 3223 3031 5.18      
3 A1 3067 2884 12.62      
4 A1 1857 1746 219.40      
5 A1 1747 1643 0.01      
6 A1 1450 1364 9.28      
7 A1 1424 1339 4.03      
8 A1 1194 1122 4.27      
9 A1 965 908 3.52      
10 A1 901 847 7.29      
11 A1 785 738 1.58      
12 A1 503 473 1.79      
13 A2 1216 1144 0.00      
14 A2 1014 954 0.00      
15 A2 759 714 0.00      
16 A2 358 337 0.00      
17 B1 3099 2914 8.98      
18 B1 1023 962 1.23      
19 B1 965 908 23.27      
20 B1 854 803 35.15      
21 B1 580 545 18.46      
22 B1 295 277 2.71      
23 B1 123 116 0.91      
24 B2 3258 3063 14.67      
25 B2 3222 3030 12.48      
26 B2 1720 1617 2.03      
27 B2 1453 1366 38.50      
28 B2 1401 1317 4.30      
29 B2 1286 1209 22.36      
30 B2 1147 1078 6.89      
31 B2 1011 950 4.83      
32 B2 579 545 0.22      
33 B2 455 428 14.90      

Unscaled Zero Point Vibrational Energy (zpe) 23095.9 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 21717.1 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 MP3=FULL/cc-pVDZ
ABC
0.17250 0.08825 0.05902

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.124
C2 0.000 0.000 -1.834
C3 0.000 1.264 0.335
C4 0.000 -1.264 0.335
C5 0.000 1.263 -1.014
C6 0.000 -1.263 -1.014
O7 0.000 0.000 2.341
H8 0.000 2.192 0.912
H9 0.000 -2.192 0.912
H10 0.000 2.211 -1.562
H11 0.000 -2.211 -1.562
H12 0.877 0.000 -2.510
H13 -0.877 0.000 -2.510

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.95851.49051.49052.48302.48301.21732.20272.20273.47893.47893.73803.7380
C22.95852.51102.51101.50571.50574.17583.51463.51462.22772.22771.10691.1069
C31.49052.51102.52891.34902.86462.37161.09303.50492.12003.95943.23423.2342
C41.49052.51102.52892.86461.34902.37163.50491.09303.95942.12003.23423.2342
C52.48301.50571.34902.86462.52523.58512.13923.95591.09533.51652.14482.1448
C62.48301.50572.86461.34902.52523.58513.95592.13923.51651.09532.14482.1448
O71.21734.17582.37162.37163.58513.58512.61702.61704.48604.48604.92964.9296
H82.20273.51461.09303.50492.13923.95592.61704.38502.47455.05104.15774.1577
H92.20273.51463.50491.09303.95592.13922.61704.38505.05102.47454.15774.1577
H103.47892.22772.12003.95941.09533.51654.48602.47455.05104.42192.56042.5604
H113.47892.22773.95942.12003.51651.09534.48605.05102.47454.42192.56042.5604
H123.73801.10693.23423.23422.14482.14484.92964.15774.15772.56042.56041.7544
H133.73801.10693.23423.23422.14482.14484.92964.15774.15772.56042.56041.7544

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 121.887 C1 C3 H8 116.142
C1 C4 C6 121.887 C1 C4 H9 116.142
C2 C5 C3 123.094 C2 C5 H10 116.965
C2 C6 C4 123.094 C2 C6 H11 116.965
C3 C1 C4 116.068 C3 C1 O7 121.966
C3 C5 H10 119.940 C4 C1 O7 121.966
C4 C6 H11 119.940 C5 C2 C6 113.970
C5 C2 H12 109.410 C5 C2 H13 109.410
C5 C3 H8 121.971 C6 C2 H12 109.410
C6 C2 H13 109.410 C6 C4 H9 121.971
H12 C2 H13 104.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability