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All results from a given calculation for CH2CO (Ketene)

using model chemistry: wB97X-D/STO-3G

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/STO-3G
 hartrees
Energy at 0K-150.546615
Energy at 298.15K-150.547532
HF Energy-150.546615
Nuclear repulsion energy57.120450
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/STO-3G
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 3452 3452 71.52 47.45 0.11 0.20
2 A1 2348 2348 149.59 0.59 0.41 0.58
3 A1 1553 1553 11.70 10.03 0.74 0.85
4 A1 1213 1213 0.55 18.60 0.35 0.52
5 B1 720 720 70.89 0.00 0.75 0.86
6 B1 471 471 20.93 1.39 0.75 0.86
7 B2 3605 3605 15.88 39.39 0.75 0.86
8 B2 1069 1069 3.72 0.08 0.75 0.86
9 B2 407 407 1.41 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7418.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7418.8 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/STO-3G
ABC
9.43653 0.32674 0.31581

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.233
C2 0.000 0.000 0.089
O3 0.000 0.000 1.303
H4 0.000 0.941 -1.781
H5 0.000 -0.941 -1.781

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.32242.53601.08931.0893
C21.32241.21362.09402.0940
O32.53601.21363.22453.2245
H41.08932.09403.22451.8828
H51.08932.09403.22451.8828

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 120.204
C2 C1 H5 120.204 H4 C1 H5 119.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.258      
2 C 0.189      
3 O -0.131      
4 H 0.100      
5 H 0.100      


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 -0.699 0.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.425 0.000 0.000
y 0.000 -14.174 0.000
z 0.000 0.000 -16.719
Traceless
 xyz
x -0.978 0.000 0.000
y 0.000 2.398 0.000
z 0.000 0.000 -1.420
Polar
3z2-r2-2.840
x2-y2-2.251
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.375 0.000 0.000
y 0.000 1.162 0.000
z 0.000 0.000 3.653


<r2> (average value of r2) Å2
<r2> 40.720
(<r2>)1/2 6.381