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All results from a given calculation for CH2CO (Ketene)

using model chemistry: B2PLYP=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-152.352173
Energy at 298.15K-152.353255
HF Energy-152.242692
Nuclear repulsion energy57.544804
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 B2PLYP=FULL/6-31G
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 3232 3232 25.40 101.87 0.12 0.21
2 A1 2131 2131 401.85 1.17 0.59 0.74
3 A1 1461 1461 20.87 6.48 0.75 0.86
4 A1 1146 1146 8.61 30.20 0.29 0.45
5 B1 718 718 170.42 0.75 0.75 0.86
6 B1 490 490 9.71 3.32 0.75 0.86
7 B2 3328 3328 3.53 64.29 0.75 0.86
8 B2 1043 1043 8.54 0.02 0.75 0.86
9 B2 426 426 2.03 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6987.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6987.1 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 B2PLYP=FULL/6-31G
ABC
9.60197 0.33109 0.32006

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.226
C2 0.000 0.000 0.094
O3 0.000 0.000 1.293
H4 0.000 0.933 -1.772
H5 0.000 -0.933 -1.772

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.32012.51891.08131.0813
C21.32011.19892.08642.0864
O32.51891.19893.20393.2039
H41.08132.08643.20391.8666
H51.08132.08643.20391.8666

picture of Ketene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 180.000 C2 C1 H4 120.329
C2 C1 H5 120.329 H4 C1 H5 119.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability