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All results from a given calculation for CH2CO (Ketene)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-152.589158
Energy at 298.15K-152.590270
HF Energy-152.589158
Nuclear repulsion energy58.764878
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 wB97X-D/6-311G**
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 3200 3060 28.82 98.55 0.17 0.29
2 A1 2270 2172 663.21 2.21 0.75 0.86
3 A1 1417 1355 19.85 3.41 0.20 0.33
4 A1 1183 1132 6.90 29.41 0.30 0.46
5 B1 608 581 107.36 0.22 0.75 0.86
6 B1 580 555 49.77 3.85 0.75 0.86
7 B2 3302 3158 9.39 53.67 0.75 0.86
8 B2 996 953 9.53 0.03 0.75 0.86
9 B2 448 429 2.75 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7001.5 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 6697.0 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 wB97X-D/6-311G**
ABC
9.45664 0.34598 0.33377

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.205
C2 0.000 0.000 0.103
O3 0.000 0.000 1.260
H4 0.000 0.940 -1.735
H5 0.000 -0.940 -1.735

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.30812.46481.07961.0796
C21.30811.15672.06482.0648
O32.46481.15673.13913.1391
H41.07962.06483.13911.8808
H51.07962.06483.13911.8808

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 119.412
C2 C1 H5 119.412 H4 C1 H5 121.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.409      
2 C 0.282      
3 O -0.227      
4 H 0.177      
5 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.417 1.417
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.743 0.000 0.000
y 0.000 -15.075 0.000
z 0.000 0.000 -17.932
Traceless
 xyz
x -2.239 0.000 0.000
y 0.000 3.262 0.000
z 0.000 0.000 -1.023
Polar
3z2-r2-2.046
x2-y2-3.667
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.933 0.000 0.000
y 0.000 2.343 0.000
z 0.000 0.000 5.549


<r2> (average value of r2) Å2
<r2> 40.036
(<r2>)1/2 6.327