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All results from a given calculation for CH2CO (Ketene)

using model chemistry: B2PLYP=FULLultrafine/TZVP

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=FULLultrafine/TZVP
 hartrees
Energy at 0K-152.533196
Energy at 298.15K 
HF Energy-152.362253
Nuclear repulsion energy58.570064
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=FULLultrafine/TZVP
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 3215 3215 29.01 110.56 0.15 0.25
2 A1 2213 2213 592.87 6.31 0.73 0.84
3 A1 1425 1425 19.62 3.57 0.32 0.49
4 A1 1170 1170 4.41 36.06 0.25 0.39
5 B1 587 587 76.86 0.10 0.75 0.86
6 B1 532 532 73.48 3.91 0.75 0.86
7 B2 3314 3314 10.05 51.84 0.75 0.86
8 B2 1000 1000 7.84 0.06 0.75 0.86
9 B2 441 441 2.64 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6948.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6948.9 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=FULLultrafine/TZVP
ABC
9.52778 0.34341 0.33147

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.209
C2 0.000 0.000 0.101
O3 0.000 0.000 1.265
H4 0.000 0.937 -1.740
H5 0.000 -0.937 -1.740

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.31022.47411.07711.0771
C21.31021.16402.06622.0662
O32.47411.16403.14823.1482
H41.07712.06623.14821.8738
H51.07712.06623.14821.8738

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 119.564
C2 C1 H5 119.564 H4 C1 H5 120.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability