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All results from a given calculation for CH2CO (Ketene)

using model chemistry: MP2=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 MP2=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-152.215798
Energy at 298.15K-152.216849
HF Energy-151.746640
Nuclear repulsion energy57.819559
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 MP2=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 3232 3232 30.77 120.89 0.08 0.15
2 A1 2186 2186 535.79 17.62 0.47 0.64
3 A1 1402 1402 14.57 3.89 0.22 0.36
4 A1 1144 1144 1.71 48.44 0.15 0.26
5 B1 586 586 50.46 1.11 0.75 0.86
6 B1 527 527 64.98 4.76 0.75 0.86
7 B2 3353 3353 9.06 48.33 0.75 0.86
8 B2 981 981 2.06 0.08 0.75 0.86
9 B2 435 435 1.93 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6923.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6923.4 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 MP2=FULL/daug-cc-pVDZ
ABC
9.26153 0.33434 0.32269

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.228
C2 0.000 0.000 0.104
O3 0.000 0.000 1.282
H4 0.000 0.950 -1.755
H5 0.000 -0.950 -1.755

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.33252.50981.08641.0864
C21.33251.17732.08772.0877
O32.50981.17733.18153.1815
H41.08642.08773.18151.9006
H51.08642.08773.18151.9006

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 118.987
C2 C1 H5 118.987 H4 C1 H5 122.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability