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All results from a given calculation for CH2CO (Ketene)

using model chemistry: SVWN/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at SVWN/6-31+G**
 hartrees
Energy at 0K-151.785267
Energy at 298.15K-151.786264
HF Energy-151.785267
Nuclear repulsion energy58.199690
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 SVWN/6-31+G**
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 3136 3090 45.69 120.05 0.12 0.21
2 A1 2231 2198 567.61 15.10 0.60 0.75
3 A1 1354 1333 19.20 6.07 0.05 0.10
4 A1 1150 1133 13.92 34.82 0.27 0.43
5 B1 557 549 102.99 0.99 0.75 0.86
6 B1 531 523 61.80 3.71 0.75 0.86
7 B2 3232 3184 22.81 57.63 0.75 0.86
8 B2 931 917 12.28 0.28 0.75 0.86
9 B2 419 413 0.59 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6770.4 cm-1
Scaled (by 0.9851) Zero Point Vibrational Energy (zpe) 6669.6 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 SVWN/6-31+G**
ABC
9.33203 0.33982 0.32788

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.212
C2 0.000 0.000 0.100
O3 0.000 0.000 1.273
H4 0.000 0.947 -1.756
H5 0.000 -0.947 -1.756

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.31202.48541.09171.0917
C21.31201.17342.08322.0832
O32.48541.17343.17353.1735
H41.09172.08323.17351.8934
H51.09172.08323.17351.8934

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 119.866
C2 C1 H5 119.866 H4 C1 H5 120.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 C 0.235      
3 O -0.366      
4 H 0.216      
5 H 0.216      


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 -1.634 1.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.352 0.000 0.000
y 0.000 -15.299 0.000
z 0.000 0.000 -18.045
Traceless
 xyz
x -2.680 0.000 0.000
y 0.000 3.399 0.000
z 0.000 0.000 -0.719
Polar
3z2-r2-1.439
x2-y2-4.052
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.704 0.000 0.000
y 0.000 2.508 0.000
z 0.000 0.000 6.357


<r2> (average value of r2) Å2
<r2> 40.774
(<r2>)1/2 6.385