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All results from a given calculation for CH2CO (Ketene)

using model chemistry: B2PLYP=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-152.513670
Energy at 298.15K-152.514740
HF Energy-152.344584
Nuclear repulsion energy58.483065
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/6-311G*
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 3207 3207 23.07 99.07 0.17 0.29
2 A1 2222 2222 532.67 3.11 0.69 0.82
3 A1 1430 1430 20.57 3.14 0.47 0.64
4 A1 1168 1168 5.04 30.72 0.28 0.44
5 B1 589 589 29.01 0.32 0.75 0.86
6 B1 537 537 127.42 3.63 0.75 0.86
7 B2 3304 3304 5.61 57.68 0.75 0.86
8 B2 1015 1015 8.64 0.01 0.75 0.86
9 B2 449 449 2.13 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6960.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6960.2 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/6-311G*
ABC
9.52904 0.34223 0.33037

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.210
C2 0.000 0.000 0.103
O3 0.000 0.000 1.267
H4 0.000 0.937 -1.746
H5 0.000 -0.937 -1.746

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.31312.47771.07931.0793
C21.31311.16462.07282.0728
O32.47771.16463.15583.1558
H41.07932.07283.15581.8737
H51.07932.07283.15581.8737

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 119.769
C2 C1 H5 119.769 H4 C1 H5 120.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability