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

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-306.312317
Energy at 298.15K-306.319109
HF Energy-305.541381
Nuclear repulsion energy270.114358
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 CID/6-31G*
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 3343 3088 0.11      
2 A1 3305 3053 6.26      
3 A1 3144 2904 11.39      
4 A1 1918 1772 338.75      
5 A1 1828 1689 1.66      
6 A1 1553 1434 10.37      
7 A1 1501 1386 3.33      
8 A1 1266 1170 6.19      
9 A1 1017 940 3.48      
10 A1 933 862 6.39      
11 A1 814 752 1.95      
12 A1 525 485 2.70      
13 A2 1289 1191 0.00      
14 A2 1064 983 0.00      
15 A2 795 734 0.00      
16 A2 376 348 0.00      
17 B1 3170 2928 10.31      
18 B1 1088 1005 4.51      
19 B1 1016 938 19.64      
20 B1 885 817 59.45      
21 B1 608 562 16.27      
22 B1 311 287 2.90      
23 B1 125 115 1.64      
24 B2 3341 3086 13.59      
25 B2 3304 3052 14.72      
26 B2 1800 1663 2.53      
27 B2 1520 1404 36.57      
28 B2 1483 1370 3.93      
29 B2 1360 1256 30.70      
30 B2 1215 1122 8.75      
31 B2 1053 973 5.72      
32 B2 605 559 0.20      
33 B2 476 440 18.24      

Unscaled Zero Point Vibrational Energy (zpe) 24015.8 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 22183.4 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 CID/6-31G*
ABC
0.17543 0.09026 0.06024

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.106
C2 0.000 0.000 -1.815
C3 0.000 1.255 0.329
C4 0.000 -1.255 0.329
C5 0.000 1.252 -1.000
C6 0.000 -1.252 -1.000
O7 0.000 0.000 2.319
H8 0.000 2.169 0.902
H9 0.000 -2.169 0.902
H10 0.000 2.187 -1.544
H11 0.000 -2.187 -1.544
H12 0.866 0.000 -2.483
H13 -0.866 0.000 -2.483

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92131.47661.47662.45042.45041.21222.17892.17893.43593.43593.69203.6920
C22.92132.48432.48431.49411.49414.13353.47713.47712.20352.20351.09351.0935
C31.47662.48432.51081.32882.83792.35261.07903.47242.09153.91863.19853.1985
C41.47662.48432.51082.83791.32882.35263.47241.07903.91862.09153.19853.1985
C52.45041.49411.32882.83792.50443.54692.11193.91481.08143.48172.12522.1252
C62.45041.49412.83791.32882.50443.54693.91482.11193.48171.08142.12522.1252
O71.21224.13352.35262.35263.54693.54692.59072.59074.43854.43854.87874.8787
H82.17893.47711.07903.47242.11193.91482.59074.33872.44634.99604.11284.1128
H92.17893.47713.47241.07903.91482.11192.59074.33874.99602.44634.11284.1128
H103.43592.20352.09153.91861.08143.48174.43852.44634.99604.37362.53252.5325
H113.43592.20353.91862.09153.48171.08144.43854.99602.44634.37362.53252.5325
H123.69201.09353.19853.19852.12522.12524.87874.11284.11282.53252.53251.7318
H133.69201.09353.19853.19852.12522.12524.87874.11284.11282.53252.53251.7318

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 121.634 C1 C3 H8 116.119
C1 C4 C6 121.634 C1 C4 H9 116.119
C2 C5 C3 123.196 C2 C5 H10 116.743
C2 C6 C4 123.196 C2 C6 H11 116.743
C3 C1 C4 116.457 C3 C1 O7 121.771
C3 C5 H10 120.061 C4 C1 O7 121.771
C4 C6 H11 120.061 C5 C2 C6 113.883
C5 C2 H12 109.459 C5 C2 H13 109.459
C5 C3 H8 122.247 C6 C2 H12 109.459
C6 C2 H13 109.459 C6 C4 H9 122.247
H12 C2 H13 104.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability