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All results from a given calculation for CH2CO (Ketene)

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-151.669088
Energy at 298.15K-151.670249
HF Energy-151.669088
Nuclear repulsion energy57.672404
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 B97D3/3-21G
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 3147 3094 22.73 88.22 0.12 0.21
2 A1 2151 2115 327.32 1.24 0.56 0.72
3 A1 1423 1399 27.72 6.57 0.74 0.85
4 A1 1153 1133 6.40 24.22 0.31 0.47
5 B1 663 652 196.67 0.65 0.75 0.86
6 B1 580 570 0.59 3.06 0.75 0.86
7 B2 3228 3173 4.77 61.25 0.75 0.86
8 B2 1019 1001 10.67 0.04 0.75 0.86
9 B2 476 468 0.31 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6919.3 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 6801.7 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 B97D3/3-21G
ABC
9.52835 0.33315 0.32189

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.221
C2 0.000 0.000 0.093
O3 0.000 0.000 1.289
H4 0.000 0.937 -1.772
H5 0.000 -0.937 -1.772

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.31432.51001.08671.0867
C21.31431.19562.08712.0871
O32.51001.19563.20083.2008
H41.08672.08713.20081.8738
H51.08672.08713.20081.8738

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 120.445
C2 C1 H5 120.445 H4 C1 H5 119.110
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.494      
2 C 0.416      
3 O -0.431      
4 H 0.254      
5 H 0.254      


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 -1.507 1.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.572 0.000 0.000
y 0.000 -14.994 0.000
z 0.000 0.000 -17.686
Traceless
 xyz
x -2.232 0.000 0.000
y 0.000 3.135 0.000
z 0.000 0.000 -0.903
Polar
3z2-r2-1.806
x2-y2-3.578
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.027 0.000 0.000
y 0.000 2.020 0.000
z 0.000 0.000 5.128


<r2> (average value of r2) Å2
<r2> 40.992
(<r2>)1/2 6.402