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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-306.628973
Energy at 298.15K 
HF Energy-305.561606
Nuclear repulsion energy266.261236
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)=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/cc-pVDZ
ABC
0.17192 0.08724 0.05850

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.127
C2 0.000 0.000 -1.843
C3 0.000 1.266 0.337
C4 0.000 -1.266 0.337
C5 0.000 1.265 -1.021
C6 0.000 -1.265 -1.021
O7 0.000 0.000 2.357
H8 0.000 2.198 0.915
H9 0.000 -2.198 0.915
H10 0.000 2.217 -1.570
H11 0.000 -2.217 -1.570
H12 0.880 0.000 -2.520
H13 -0.880 0.000 -2.520

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.97001.49231.49232.49262.49261.23052.20782.20783.49113.49113.75163.7516
C22.97002.52072.52071.50851.50854.20053.52683.52682.23392.23391.11021.1102
C31.49232.52072.53181.35772.87192.38451.09683.51162.13073.97073.24623.2462
C41.49232.52072.53182.87191.35772.38453.51161.09683.97072.13073.24623.2462
C52.49261.50851.35772.87192.52963.60742.14933.96711.09923.52492.14972.1497
C62.49261.50852.87191.35772.52963.60743.96712.14933.52491.09922.14972.1497
O71.23054.20052.38452.38453.60743.60742.62852.62854.50994.50994.95624.9562
H82.20783.52681.09683.51162.14933.96712.62854.39532.48535.06624.17214.1721
H92.20783.52683.51161.09683.96712.14932.62854.39535.06622.48534.17214.1721
H103.49112.23392.13073.97071.09923.52494.50992.48535.06624.43422.56762.5676
H113.49112.23393.97072.13073.52491.09924.50995.06622.48534.43422.56762.5676
H123.75161.11023.24623.24622.14972.14974.95624.17214.17212.56762.56761.7599
H133.75161.11023.24623.24622.14972.14974.95624.17214.17212.56762.56761.7599

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 121.925 C1 C3 H8 116.183
C1 C4 C6 121.925 C1 C4 H9 116.183
C2 C5 C3 123.071 C2 C5 H10 117.017
C2 C6 C4 123.071 C2 C6 H11 117.017
C3 C1 C4 116.054 C3 C1 O7 121.973
C3 C5 H10 119.912 C4 C1 O7 121.973
C4 C6 H11 119.912 C5 C2 C6 113.954
C5 C2 H12 109.409 C5 C2 H13 109.409
C5 C3 H8 121.892 C6 C2 H12 109.409
C6 C2 H13 109.409 C6 C4 H9 121.892
H12 C2 H13 104.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability