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

using model chemistry: MP3/TZVP

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/TZVP
 hartrees
Energy at 0K-306.674404
Energy at 298.15K 
HF Energy-305.637079
Nuclear repulsion energy269.264284
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/TZVP
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 3263 3051 0.11      
2 A1 3227 3018 5.40      
3 A1 3071 2872 11.80      
4 A1 1833 1714 259.54      
5 A1 1742 1629 0.23      
6 A1 1476 1380 12.04      
7 A1 1445 1351 2.33      
8 A1 1217 1138 5.28      
9 A1 970 907 2.84      
10 A1 897 839 7.14      
11 A1 782 732 2.88      
12 A1 508 475 2.10      
13 A2 1202 1124 0.00      
14 A2 892 835 0.00      
15 A2 709 663 0.00      
16 A2 275 257 0.00      
17 B1 3094 2893 7.76      
18 B1 979 915 27.74      
19 B1 914 855 1.17      
20 B1 665 622 61.60      
21 B1 486 455 1.30      
22 B1 99 92 0.35      
23 B1 346i 323i 0.50      
24 B2 3260 3049 15.03      
25 B2 3225 3016 12.93      
26 B2 1712 1601 1.16      
27 B2 1453 1358 32.19      
28 B2 1418 1326 3.42      
29 B2 1305 1220 29.29      
30 B2 1165 1090 8.60      
31 B2 1012 946 4.60      
32 B2 583 545 0.34      
33 B2 462 432 14.41      

Unscaled Zero Point Vibrational Energy (zpe) 22496.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 21039.1 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/TZVP
ABC
0.17426 0.08967 0.05985

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

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 -1.820
C3 0.000 1.259 0.331
C4 0.000 -1.259 0.331
C5 0.000 1.257 -1.005
C6 0.000 -1.257 -1.005
O7 0.000 0.000 2.325
H8 0.000 2.176 0.904
H9 0.000 -2.176 0.904
H10 0.000 2.193 -1.550
H11 0.000 -2.193 -1.550
H12 0.871 0.000 -2.484
H13 -0.871 0.000 -2.484

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.93191.48171.48172.46242.46241.21332.18572.18573.44913.44913.70043.7004
C22.93192.49192.49191.49801.49804.14523.48593.48592.20982.20981.09531.0953
C31.48172.49192.51801.33592.84882.35871.08113.48222.09993.93123.20443.2044
C41.48172.49192.51802.84881.33592.35873.48221.08113.93122.09993.20443.2044
C52.46241.49801.33592.84882.51433.55992.11843.92791.08303.49312.12762.1276
C62.46241.49802.84881.33592.51433.55993.92792.11843.49311.08302.12762.1276
O71.21334.14522.35872.35873.55993.55992.59912.59914.45294.45294.88804.8880
H82.18573.48591.08113.48222.11843.92792.59914.35162.45365.01084.11964.1196
H92.18573.48593.48221.08113.92792.11842.59914.35165.01082.45364.11964.1196
H103.44912.20982.09993.93121.08303.49314.45292.45365.01084.38652.53802.5380
H113.44912.20983.93122.09993.49311.08304.45295.01082.45364.38652.53802.5380
H123.70041.09533.20443.20442.12762.12764.88804.11964.11962.53802.53801.7412
H133.70041.09533.20443.20442.12762.12764.88804.11964.11962.53802.53801.7412

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 121.746 C1 C3 H8 116.172
C1 C4 C6 121.746 C1 C4 H9 116.172
C2 C5 C3 123.021 C2 C5 H10 116.862
C2 C6 C4 123.021 C2 C6 H11 116.862
C3 C1 C4 116.351 C3 C1 O7 121.825
C3 C5 H10 120.117 C4 C1 O7 121.825
C4 C6 H11 120.117 C5 C2 C6 114.115
C5 C2 H12 109.267 C5 C2 H13 109.267
C5 C3 H8 122.082 C6 C2 H12 109.267
C6 C2 H13 109.267 C6 C4 H9 122.082
H12 C2 H13 105.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability