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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-270.054758
Energy at 298.15K 
HF Energy-268.959664
Nuclear repulsion energy236.178661
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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCD/cc-pVTZ
ABC
0.22225 0.11253 0.08090

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.122
C2 0.000 0.000 0.920
C3 0.000 1.238 0.029
C4 0.000 -1.238 0.029
C5 0.315 0.702 -1.371
C6 -0.315 -0.702 -1.371
H7 -1.006 1.663 0.066
H8 1.006 -1.663 0.066
H9 0.689 1.989 0.408
H10 -0.689 -1.989 0.408
H11 -0.065 1.335 -2.169
H12 0.065 -1.335 -2.169
H13 1.396 0.617 -1.501
H14 -1.396 -0.617 -1.501

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20142.43182.43183.57613.57612.82942.82942.71462.71464.49454.49453.93083.9308
C21.20141.52581.52582.41672.41672.12342.12342.16662.16663.36663.36662.86192.8619
C32.43181.52582.47631.53122.41281.09303.07101.08733.32172.20113.38512.16182.7801
C42.43181.52582.47632.41281.53123.07101.09303.32171.08733.38512.20112.78012.1618
C53.57612.41671.53122.41281.53892.17552.85222.22683.37821.08782.20281.09202.1641
C63.57612.41672.41281.53121.53892.85222.17553.37822.22682.20281.08782.16411.0920
H72.82942.12341.09303.07102.17552.85223.88771.75983.68192.44743.89023.05272.7936
H82.82942.12343.07101.09302.85222.17553.88773.68191.75983.89022.44742.79363.0527
H92.71462.16661.08733.32172.22683.37821.75983.68194.21012.76344.25252.45473.8444
H102.71462.16663.32171.08733.37822.22683.68191.75984.21014.25252.76343.84442.4547
H114.49453.36662.20113.38511.08782.20282.44743.89022.76344.25252.67411.75962.4557
H124.49453.36663.38512.20112.20281.08783.89022.44744.25252.76342.67412.45571.7596
H133.93082.86192.16182.78011.09202.16413.05272.79362.45473.84441.75962.45573.0520
H143.93082.86192.78012.16182.16411.09202.79363.05273.84442.45472.45571.75963.0520

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.759 O1 C2 C4 125.759
C2 C3 C5 104.472 C2 C3 H7 107.193
C2 C3 H9 110.903 C2 C4 C6 104.472
C2 C4 H8 107.193 C2 C4 H10 110.903
C3 C2 C4 108.481 C3 C5 C6 103.607
C3 C5 H11 113.288 C3 C5 H13 109.871
C4 C6 C5 103.607 C4 C6 H12 113.288
C4 C6 H14 109.871 C5 C3 H7 110.888
C5 C3 H9 115.473 C5 C6 H12 112.858
C5 C6 H14 109.511 C6 C4 H8 110.888
C6 C4 H10 115.473 C6 C5 H11 112.858
C6 C5 H13 109.511 H7 C3 H9 107.637
H8 C4 H10 107.637 H11 C5 H13 107.652
H12 C6 H14 107.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability