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

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-307.341981
Energy at 298.15K-307.348667
HF Energy-306.912424
Nuclear repulsion energy269.748519
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 B2PLYP=FULL/aug-cc-pVTZ
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 3211 3080 0.04      
2 A1 3172 3044 6.96      
3 A1 3014 2892 7.73      
4 A1 1717 1647 227.52      
5 A1 1677 1609 81.44      
6 A1 1442 1384 21.44      
7 A1 1426 1368 2.37      
8 A1 1195 1146 7.98      
9 A1 973 933 5.98      
10 A1 892 856 9.89      
11 A1 780 748 2.45      
12 A1 507 486 2.76      
13 A2 1220 1171 0.00      
14 A2 1026 985 0.00      
15 A2 763 732 0.00      
16 A2 368 353 0.00      
17 B1 3027 2905 3.45      
18 B1 1041 999 0.07      
19 B1 959 920 29.93      
20 B1 871 836 28.40      
21 B1 584 561 22.88      
22 B1 323 310 2.48      
23 B1 128 123 1.05      
24 B2 3209 3079 12.28      
25 B2 3172 3043 10.81      
26 B2 1656 1589 3.01      
27 B2 1431 1373 31.89      
28 B2 1391 1334 0.51      
29 B2 1288 1236 28.44      
30 B2 1143 1097 6.79      
31 B2 1002 961 5.80      
32 B2 577 554 1.22      
33 B2 455 436 13.25      

Unscaled Zero Point Vibrational Energy (zpe) 22820.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 21893.6 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
0.17621 0.08965 0.06006

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.105
C2 0.000 0.000 -1.814
C3 0.000 1.250 0.330
C4 0.000 -1.250 0.330
C5 0.000 1.251 -1.007
C6 0.000 -1.251 -1.007
O7 0.000 0.000 2.331
H8 0.000 2.167 0.902
H9 0.000 -2.167 0.902
H10 0.000 2.187 -1.550
H11 0.000 -2.187 -1.550
H12 0.864 0.000 -2.488
H13 -0.864 0.000 -2.488

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.91901.47101.47102.45462.45461.22582.17602.17603.43953.43953.69523.6952
C22.91902.48172.48171.48861.48864.14483.47383.47382.20302.20301.09591.0959
C31.47102.48172.50041.33682.83592.35941.08003.46422.10003.91753.20133.2013
C41.47102.48172.50042.83591.33682.35943.46421.08003.91752.10003.20133.2013
C52.45461.48861.33682.83592.50173.56452.11673.91411.08213.48042.12232.1223
C62.45461.48862.83591.33682.50173.56453.91412.11673.48041.08212.12232.1223
O71.22584.14482.35942.35943.56453.56452.59552.59554.45434.45434.89544.8954
H82.17603.47381.08003.46422.11673.91412.59554.33302.45114.99614.11424.1142
H92.17603.47383.46421.08003.91412.11672.59554.33304.99612.45114.11424.1142
H103.43952.20302.10003.91751.08213.48044.45432.45114.99614.37412.53192.5319
H113.43952.20303.91752.10003.48041.08214.45434.99612.45114.37412.53192.5319
H123.69521.09593.20133.20132.12232.12234.89544.11424.11422.53192.53191.7287
H133.69521.09593.20133.20132.12232.12234.89544.11424.11422.53192.53191.7287

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 121.827 C1 C3 H8 116.243
C1 C4 C6 121.827 C1 C4 H9 116.243
C2 C5 C3 122.802 C2 C5 H10 117.076
C2 C6 C4 122.802 C2 C6 H11 117.076
C3 C1 C4 116.399 C3 C1 O7 121.800
C3 C5 H10 120.122 C4 C1 O7 121.800
C4 C6 H11 120.122 C5 C2 C6 114.342
C5 C2 H12 109.467 C5 C2 H13 109.467
C5 C3 H8 121.929 C6 C2 H12 109.467
C6 C2 H13 109.467 C6 C4 H9 121.929
H12 C2 H13 104.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability