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

using model chemistry: CCSD(T)/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 CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-306.909950
Energy at 298.15K 
HF Energy-305.645278
Nuclear repulsion energy268.438656
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 CCSD(T)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVTZ
ABC
0.17439 0.08875 0.05945

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.114
C2 0.000 0.000 -1.827
C3 0.000 1.258 0.333
C4 0.000 -1.258 0.333
C5 0.000 1.257 -1.012
C6 0.000 -1.257 -1.012
O7 0.000 0.000 2.340
H8 0.000 2.177 0.905
H9 0.000 -2.177 0.905
H10 0.000 2.196 -1.554
H11 0.000 -2.196 -1.554
H12 0.869 0.000 -2.497
H13 -0.869 0.000 -2.497

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.94181.48081.48082.46972.46971.22532.18752.18753.45633.45633.71493.7149
C22.94182.49962.49961.49821.49824.16713.49353.49352.21342.21341.09761.0976
C31.48082.49962.51541.34442.85122.36851.08303.48242.10763.93603.21673.2167
C41.48082.49962.51542.85121.34442.36853.48241.08303.93602.10763.21673.2167
C52.46971.49821.34442.85122.51333.57922.12603.93251.08523.49552.13132.1313
C62.46971.49822.85121.34442.51333.57923.93252.12603.49551.08522.13132.1313
O71.22534.16712.36852.36853.57923.57922.60782.60784.47074.47074.91454.9145
H82.18753.49351.08303.48242.12603.93252.60784.35482.45895.01764.13164.1316
H92.18753.49353.48241.08303.93252.12602.60784.35485.01762.45894.13164.1316
H103.45632.21342.10763.93601.08523.49554.47072.45895.01764.39302.54362.5436
H113.45632.21343.93602.10763.49551.08524.47075.01762.45894.39302.54362.5436
H123.71491.09763.21673.21672.13132.13134.91454.13164.13162.54362.54361.7390
H133.71491.09763.21673.21672.13132.13134.91454.13164.13162.54362.54361.7390

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 121.817 C1 C3 H8 116.266
C1 C4 C6 121.817 C1 C4 H9 116.266
C2 C5 C3 123.034 C2 C5 H10 117.015
C2 C6 C4 123.034 C2 C6 H11 117.015
C3 C1 C4 116.276 C3 C1 O7 121.862
C3 C5 H10 119.951 C4 C1 O7 121.862
C4 C6 H11 119.951 C5 C2 C6 114.023
C5 C2 H12 109.410 C5 C2 H13 109.410
C5 C3 H8 121.917 C6 C2 H12 109.410
C6 C2 H13 109.410 C6 C4 H9 121.917
H12 C2 H13 104.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability