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All results from a given calculation for CH2CO (Ketene)

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-152.623739
Energy at 298.15K-152.624801
HF Energy-152.623739
Nuclear repulsion energy58.265466
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 B3LYPultrafine/aug-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 3186 3092 28.95 116.65 0.09 0.17
2 A1 2205 2140 665.16 15.00 0.47 0.64
3 A1 1396 1355 15.57 4.11 0.19 0.33
4 A1 1164 1129 6.50 40.20 0.18 0.30
5 B1 601 584 91.43 2.19 0.75 0.86
6 B1 530 515 27.16 3.36 0.75 0.86
7 B2 3289 3192 8.39 51.21 0.75 0.86
8 B2 977 948 3.35 0.09 0.75 0.86
9 B2 436 423 2.38 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6892.0 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 6688.0 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 B3LYPultrafine/aug-cc-pVDZ
ABC
9.35629 0.33999 0.32807

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.215
C2 0.000 0.000 0.103
O3 0.000 0.000 1.271
H4 0.000 0.945 -1.750
H5 0.000 -0.945 -1.750

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.31852.48631.08651.0865
C21.31851.16782.08102.0810
O32.48631.16783.16613.1661
H41.08652.08103.16611.8909
H51.08652.08103.16611.8909

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 119.520
C2 C1 H5 119.520 H4 C1 H5 120.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.825      
2 C 0.208      
3 O -0.264      
4 H -0.385      
5 H -0.385      


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 -1.543 1.543
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.192 0.000 0.000
y 0.000 -15.527 0.000
z 0.000 0.000 -18.337
Traceless
 xyz
x -2.260 0.000 0.000
y 0.000 3.238 0.000
z 0.000 0.000 -0.978
Polar
3z2-r2-1.956
x2-y2-3.665
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.316 0.000 0.000
y 0.000 3.164 0.000
z 0.000 0.000 6.362


<r2> (average value of r2) Å2
<r2> 40.812
(<r2>)1/2 6.388