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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-192.502233
Energy at 298.15K-192.506830
HF Energy-192.502233
Nuclear repulsion energy111.639629
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 B3LYP/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' 3278 3150 4.47      
2 A' 3165 3041 8.94      
3 A' 3161 3037 1.49      
4 A' 3047 2927 4.19      
5 A' 1609 1546 57.50      
6 A' 1487 1429 11.23      
7 A' 1470 1412 23.22      
8 A' 1403 1348 24.21      
9 A' 1274 1224 55.54      
10 A' 1069 1027 4.53      
11 A' 930 894 4.23      
12 A' 820 788 2.69      
13 A' 522 502 14.81      
14 A' 383 368 2.12      
15 A" 3109 2987 12.82      
16 A" 1493 1434 7.68      
17 A" 1028 988 6.11      
18 A" 745 716 27.53      
19 A" 505 485 0.59      
20 A" 374 359 0.05      
21 A" 49 47 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15459.4 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 14853.4 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 B3LYP/6-31G**
ABC
0.36384 0.30083 0.16988

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.145 0.000
O2 0.484 1.285 0.000
C3 -1.428 -0.037 0.000
C4 0.888 -1.091 0.000
H5 -2.063 0.842 0.000
H6 -1.887 -1.021 0.000
H7 1.934 -0.783 0.000
H8 0.693 -1.711 0.882
H9 0.693 -1.711 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23901.43991.52172.17802.21842.14512.16862.1686
O21.23902.32532.41022.58613.30812.52573.13063.1306
C31.43992.32532.54481.08431.08573.44422.84242.8424
C41.52172.41022.54483.52792.77621.09061.09581.0958
H52.17802.58611.08433.52791.87104.31523.85903.8590
H62.21843.30811.08572.77621.87103.82892.81262.8126
H72.14512.52573.44421.09064.31523.82891.78351.7835
H82.16863.13062.84241.09583.85902.81261.78351.7638
H92.16863.13062.84241.09583.85902.81261.78351.7638

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 118.592 C1 C3 H6 122.270
C1 C4 H7 109.289 C1 C4 H8 110.842
C1 C4 H9 110.842 O2 C1 C3 120.272
O2 C1 C4 121.293 C3 C1 C4 118.435
H5 C3 H6 119.137 H7 C4 H8 109.320
H7 C4 H9 109.320 H8 C4 H9 107.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.409      
2 O -0.443      
3 C -0.216      
4 C -0.392      
5 H 0.136      
6 H 0.116      
7 H 0.139      
8 H 0.126      
9 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.374 -2.546 0.000 2.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.296 -1.602 0.000
y -1.602 -26.271 0.000
z 0.000 0.000 -24.111
Traceless
 xyz
x 2.895 -1.602 0.000
y -1.602 -3.067 0.000
z 0.000 0.000 0.172
Polar
3z2-r20.345
x2-y23.975
xy-1.602
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.956 0.277 0.000
y 0.277 5.647 0.000
z 0.000 0.000 3.125


<r2> (average value of r2) Å2
<r2> 76.767
(<r2>)1/2 8.762