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All results from a given calculation for CH2CO (Ketene)

using model chemistry: MP3=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-152.389747
Energy at 298.15K-152.390885
HF Energy-151.787610
Nuclear repulsion energy59.002212
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 MP3=FULL/aug-cc-pVTZ
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 3261 3261 30.54      
2 A1 2285 2285 767.16      
3 A1 1459 1459 13.28      
4 A1 1200 1200 4.66      
5 B1 629 629 73.68      
6 B1 570 570 40.95      
7 B2 3337 3337 8.28      
8 B2 1027 1027 2.80      
9 B2 457 457 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 7112.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7112.5 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 MP3=FULL/aug-cc-pVTZ
ABC
9.53292 0.34840 0.33611

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.203
C2 0.000 0.000 0.105
O3 0.000 0.000 1.255
H4 0.000 0.937 -1.723
H5 0.000 -0.937 -1.723

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.30752.45771.07151.0715
C21.30751.15022.05382.0538
O32.45771.15023.12183.1218
H41.07152.05383.12181.8733
H51.07152.05383.12181.8733

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 119.051
C2 C1 H5 119.051 H4 C1 H5 121.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability