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

using model chemistry: CCD/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 CCD/TZVP
 hartrees
Energy at 0K-306.675877
Energy at 298.15K 
HF Energy-305.636815
Nuclear repulsion energy269.041986
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 CCD/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 3242 3073 0.08      
2 A1 3205 3038 6.26      
3 A1 3054 2895 13.85      
4 A1 1821 1726 240.63      
5 A1 1738 1647 3.06      
6 A1 1479 1402 10.60      
7 A1 1442 1367 1.88      
8 A1 1216 1153 4.78      
9 A1 968 918 2.69      
10 A1 895 849 6.35      
11 A1 778 737 3.43      
12 A1 506 480 1.78      
13 A2 1206 1143 0.00      
14 A2 900 854 0.00      
15 A2 711 674 0.00      
16 A2 284 269 0.00      
17 B1 3078 2918 8.81      
18 B1 983 932 26.85      
19 B1 916 868 0.98      
20 B1 674 639 60.70      
21 B1 493 468 1.61      
22 B1 101 96 0.34      
23 B1 316i 299i 0.68      
24 B2 3240 3071 15.88      
25 B2 3204 3037 13.61      
26 B2 1712 1623 0.91      
27 B2 1449 1374 30.23      
28 B2 1418 1344 3.76      
29 B2 1303 1235 28.15      
30 B2 1164 1103 8.75      
31 B2 1010 957 4.66      
32 B2 580 550 0.34      
33 B2 461 437 13.81      

Unscaled Zero Point Vibrational Energy (zpe) 22457.1 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 21289.3 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 CCD/TZVP
ABC
0.17415 0.08946 0.05974

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.113
C2 0.000 0.000 -1.822
C3 0.000 1.259 0.330
C4 0.000 -1.259 0.330
C5 0.000 1.257 -1.006
C6 0.000 -1.257 -1.006
O7 0.000 0.000 2.329
H8 0.000 2.178 0.903
H9 0.000 -2.178 0.903
H10 0.000 2.195 -1.551
H11 0.000 -2.195 -1.551
H12 0.872 0.000 -2.487
H13 -0.872 0.000 -2.487

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.93541.48321.48322.46392.46391.21552.18802.18803.45193.45193.70453.7045
C22.93542.49352.49351.49881.49884.15083.48863.48862.21162.21161.09651.0965
C31.48322.49352.51891.33582.84912.36251.08263.48492.10073.93323.20663.2066
C41.48322.49352.51892.84911.33582.36253.48491.08263.93322.10073.20663.2066
C52.46391.49881.33582.84912.51423.56362.11953.92981.08473.49472.12952.1295
C62.46391.49882.84911.33582.51423.56363.92982.11953.49471.08472.12952.1295
O71.21554.15082.36252.36253.56363.56362.60302.60304.45754.45754.89424.8942
H82.18803.48861.08263.48492.11953.92982.60304.35592.45415.01444.12284.1228
H92.18803.48863.48491.08263.92982.11952.60304.35595.01442.45414.12284.1228
H103.45192.21162.10073.93321.08473.49474.45752.45415.01444.38982.54052.5405
H113.45192.21163.93322.10073.49471.08474.45755.01442.45414.38982.54052.5405
H123.70451.09653.20663.20662.12952.12954.89424.12284.12282.54052.54051.7436
H133.70451.09653.20663.20662.12952.12954.89424.12284.12282.54052.54051.7436

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 121.776 C1 C3 H8 116.154
C1 C4 C6 121.776 C1 C4 H9 116.154
C2 C5 C3 123.099 C2 C5 H10 116.837
C2 C6 C4 123.099 C2 C6 H11 116.837
C3 C1 C4 116.242 C3 C1 O7 121.879
C3 C5 H10 120.064 C4 C1 O7 121.879
C4 C6 H11 120.064 C5 C2 C6 114.007
C5 C2 H12 109.288 C5 C2 H13 109.288
C5 C3 H8 122.069 C6 C2 H12 109.288
C6 C2 H13 109.288 C6 C4 H9 122.069
H12 C2 H13 105.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability