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All results from a given calculation for CH2CO (Ketene)

using model chemistry: B2PLYP=FULL/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/cc-pVDZ
 hartrees
Energy at 0K-152.467678
Energy at 298.15K-152.468715
HF Energy-152.317627
Nuclear repulsion energy58.110005
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/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 3217 3083 28.66 106.40 0.13 0.23
2 A1 2217 2125 503.99 2.48 0.56 0.71
3 A1 1400 1342 14.94 3.24 0.40 0.57
4 A1 1161 1113 6.42 31.00 0.30 0.46
5 B1 582 557 19.56 0.82 0.75 0.86
6 B1 513 491 111.52 3.41 0.75 0.86
7 B2 3329 3191 10.60 60.67 0.75 0.86
8 B2 984 943 5.97 0.11 0.75 0.86
9 B2 439 420 2.20 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6920.5 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 6633.3 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/cc-pVDZ
ABC
9.28190 0.33818 0.32629

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.219
C2 0.000 0.000 0.103
O3 0.000 0.000 1.275
H4 0.000 0.949 -1.750
H5 0.000 -0.949 -1.750

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.32292.49411.08761.0876
C21.32291.17122.08272.0827
O32.49411.17123.17043.1704
H41.08762.08273.17041.8985
H51.08762.08273.17041.8985

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 119.219
C2 C1 H5 119.219 H4 C1 H5 121.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability