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All results from a given calculation for CH2CO (Ketene)

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-150.526171
Energy at 298.15K-150.526940
HF Energy-150.526171
Nuclear repulsion energy56.252504
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 BLYP/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 3301 3054 54.71 52.67 0.11 0.20
2 A1 2201 2036 99.52 0.95 0.39 0.56
3 A1 1486 1375 11.98 12.18 0.75 0.86
4 A1 1135 1050 0.07 16.85 0.33 0.50
5 B1 618 572 58.23 0.07 0.75 0.86
6 B1 414 383 22.51 1.11 0.75 0.86
7 B2 3443 3185 11.18 43.56 0.75 0.86
8 B2 1021 945 2.97 0.09 0.75 0.86
9 B2 386 357 0.51 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7002.3 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 6478.5 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 BLYP/STO-3G
ABC
9.28068 0.31656 0.30612

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.252
C2 0.000 0.000 0.089
O3 0.000 0.000 1.324
H4 0.000 0.949 -1.808
H5 0.000 -0.949 -1.808

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.34102.57661.10021.1002
C21.34101.23562.12132.1213
O32.57661.23563.27333.2733
H41.10022.12133.27331.8986
H51.10022.12133.27331.8986

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 120.361
C2 C1 H5 120.361 H4 C1 H5 119.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.237      
2 C 0.150      
3 O -0.103      
4 H 0.095      
5 H 0.095      


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 -0.596 0.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.481 0.000 0.000
y 0.000 -14.220 0.000
z 0.000 0.000 -16.306
Traceless
 xyz
x -1.218 0.000 0.000
y 0.000 2.173 0.000
z 0.000 0.000 -0.955
Polar
3z2-r2-1.911
x2-y2-2.261
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.403 0.000 0.000
y 0.000 1.208 0.000
z 0.000 0.000 3.747


<r2> (average value of r2) Å2
<r2> 41.616
(<r2>)1/2 6.451