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All results from a given calculation for CH2CO (Ketene)

using model chemistry: B2PLYP=FULL/daug-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 B2PLYP=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-152.485757
Energy at 298.15K-152.486828
HF Energy-152.328395
Nuclear repulsion energy58.114145
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/daug-cc-pVDZ
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 3211 3211 28.67 120.02 0.09 0.16
2 A1 2187 2187 599.56 16.55 0.48 0.65
3 A1 1402 1402 15.58 3.91 0.24 0.39
4 A1 1154 1154 4.24 45.17 0.15 0.27
5 B1 604 604 89.27 2.43 0.75 0.86
6 B1 537 537 26.31 3.15 0.75 0.86
7 B2 3324 3324 8.26 51.24 0.75 0.86
8 B2 985 985 2.82 0.07 0.75 0.86
9 B2 436 436 2.22 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6919.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6919.7 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/daug-cc-pVDZ
ABC
9.33911 0.33800 0.32619

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.220
C2 0.000 0.000 0.103
O3 0.000 0.000 1.275
H4 0.000 0.946 -1.750
H5 0.000 -0.946 -1.750

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.32342.49491.08471.0847
C21.32341.17152.08122.0812
O32.49491.17153.16973.1697
H41.08472.08123.16971.8926
H51.08472.08123.16971.8926

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 119.261
C2 C1 H5 119.261 H4 C1 H5 121.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability