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All results from a given calculation for CH3COCH2 (Acetonyl radical)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-192.420697
Energy at 298.15K-192.425291
HF Energy-192.420697
Nuclear repulsion energy111.766787
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3296 3153 4.30      
2 A' 3183 3045 8.72      
3 A' 3180 3042 1.18      
4 A' 3061 2928 3.68      
5 A' 1636 1565 62.46      
6 A' 1497 1432 12.90      
7 A' 1478 1414 27.10      
8 A' 1412 1351 31.07      
9 A' 1286 1230 55.63      
10 A' 1073 1027 3.78      
11 A' 934 894 3.62      
12 A' 830 794 2.35      
13 A' 523 500 14.32      
14 A' 381 364 2.24      
15 A" 3128 2993 10.77      
16 A" 1502 1437 9.56      
17 A" 1033 988 7.69      
18 A" 741 708 32.21      
19 A" 506 484 1.21      
20 A" 368 352 0.04      
21 A" 55 53 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15550.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14876.9 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 B3PW91/6-31G*
ABC
0.36431 0.30195 0.17035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.146 0.000
O2 0.468 1.290 0.000
C3 -1.426 -0.056 0.000
C4 0.899 -1.077 0.000
H5 -2.075 0.814 0.000
H6 -1.872 -1.047 0.000
H7 1.943 -0.758 0.000
H8 0.712 -1.700 0.883
H9 0.712 -1.700 -0.883

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23581.44041.51782.17952.22002.14322.16632.1663
O21.23582.32332.40562.58643.30682.52393.12693.1269
C31.44042.32332.53971.08511.08653.44192.83752.8375
C41.51782.40562.53973.52412.77201.09171.09671.0967
H52.17952.58641.08513.52411.87164.31453.85513.8551
H62.22003.30681.08652.77201.87163.82682.80772.8077
H72.14322.52393.44191.09174.31453.82681.78451.7845
H82.16633.12692.83751.09673.85512.80771.78451.7654
H92.16633.12692.83751.09673.85512.80771.78451.7654

picture of Acetonyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 118.637 C1 C3 H6 122.313
C1 C4 H7 109.345 C1 C4 H8 110.874
C1 C4 H9 110.874 O2 C1 C3 120.295
O2 C1 C4 121.428 C3 C1 C4 118.277
H5 C3 H6 119.051 H7 C4 H8 109.258
H7 C4 H9 109.258 H8 C4 H9 107.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.442      
2 O -0.445      
3 C -0.364      
4 C -0.605      
5 H 0.203      
6 H 0.183      
7 H 0.206      
8 H 0.190      
9 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.356 -2.589 0.000 2.922
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.050 -1.545 0.000
y -1.545 -26.133 0.000
z 0.000 0.000 -24.085
Traceless
 xyz
x 3.059 -1.545 0.000
y -1.545 -3.066 0.000
z 0.000 0.000 0.007
Polar
3z2-r20.013
x2-y24.084
xy-1.545
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.853 0.286 0.000
y 0.286 5.609 0.000
z 0.000 0.000 3.085


<r2> (average value of r2) Å2
<r2> 76.534
(<r2>)1/2 8.748