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

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-306.613983
Energy at 298.15K 
HF Energy-305.561062
Nuclear repulsion energy266.002854
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 QCISD(T)/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVDZ
ABC
0.17162 0.08705 0.05838

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.128
C2 0.000 0.000 -1.845
C3 0.000 1.267 0.337
C4 0.000 -1.267 0.337
C5 0.000 1.266 -1.022
C6 0.000 -1.266 -1.022
O7 0.000 0.000 2.360
H8 0.000 2.200 0.916
H9 0.000 -2.200 0.916
H10 0.000 2.219 -1.571
H11 0.000 -2.219 -1.571
H12 0.881 0.000 -2.523
H13 -0.881 0.000 -2.523

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.97361.49401.49402.49542.49541.23152.21002.21003.49483.49483.75583.7558
C22.97362.52312.52311.50991.50994.20503.53003.53002.23582.23581.11131.1113
C31.49402.52312.53401.35892.87432.38711.09783.51472.13263.97413.24923.2492
C41.49402.52312.53402.87431.35892.38713.51471.09783.97412.13263.24923.2492
C52.49541.50991.35892.87432.53173.61122.15113.97061.10023.52792.15172.1517
C62.49541.50992.87431.35892.53173.61123.97062.15113.52791.10022.15172.1517
O71.23154.20502.38712.38713.61123.61122.63142.63144.51444.51444.96144.9614
H82.21003.53001.09783.51472.15113.97062.63144.39952.48735.07074.17584.1758
H92.21003.53003.51471.09783.97062.15112.63144.39955.07072.48734.17584.1758
H103.49482.23582.13263.97411.10023.52794.51442.48735.07074.43802.57002.5700
H113.49482.23583.97412.13263.52791.10024.51445.07072.48734.43802.57002.5700
H123.75581.11133.24923.24922.15172.15174.96144.17584.17582.57002.57001.7618
H133.75581.11133.24923.24922.15172.15174.96144.17584.17582.57002.57001.7618

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 121.950 C1 C3 H8 116.173
C1 C4 C6 121.950 C1 C4 H9 116.173
C2 C5 C3 123.079 C2 C5 H10 117.010
C2 C6 C4 123.079 C2 C6 H11 117.010
C3 C1 C4 116.004 C3 C1 O7 121.998
C3 C5 H10 119.911 C4 C1 O7 121.998
C4 C6 H11 119.911 C5 C2 C6 113.938
C5 C2 H12 109.410 C5 C2 H13 109.410
C5 C3 H8 121.877 C6 C2 H12 109.410
C6 C2 H13 109.410 C6 C4 H9 121.877
H12 C2 H13 104.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability