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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-192.427502
Energy at 298.15K-192.432099
HF Energy-192.427502
Nuclear repulsion energy111.808995
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' 3291 3154 3.68      
2 A' 3182 3050 6.26      
3 A' 3170 3038 2.70      
4 A' 3057 2930 3.38      
5 A' 1634 1566 63.26      
6 A' 1481 1420 14.78      
7 A' 1464 1403 26.56      
8 A' 1396 1338 32.64      
9 A' 1278 1225 52.20      
10 A' 1065 1021 3.62      
11 A' 928 889 3.48      
12 A' 827 793 2.43      
13 A' 522 500 14.48      
14 A' 380 365 2.30      
15 A" 3129 2999 10.02      
16 A" 1485 1423 9.11      
17 A" 1022 980 7.40      
18 A" 741 710 29.76      
19 A" 505 484 1.07      
20 A" 365 350 0.06      
21 A" 56 54 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15489.5 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 14845.1 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
0.36452 0.30222 0.17047

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 0.145 0.000
O2 0.468 1.289 0.000
C3 -1.426 -0.056 0.000
C4 0.899 -1.077 0.000
H5 -2.072 0.815 0.000
H6 -1.872 -1.046 0.000
H7 1.942 -0.757 0.000
H8 0.711 -1.699 0.882
H9 0.711 -1.699 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23591.44021.51692.17792.21912.14112.16392.1639
O21.23592.32312.40462.58413.30602.52153.12473.1247
C31.44022.32312.53921.08471.08603.44002.83562.8356
C41.51692.40462.53923.52242.77141.09061.09561.0956
H52.17792.58411.08473.52241.87194.31093.85243.8524
H62.21913.30601.08602.77141.87193.82492.80602.8060
H72.14112.52153.44001.09064.31093.82491.78351.7835
H82.16393.12472.83561.09563.85242.80601.78351.7635
H92.16393.12472.83561.09563.85242.80601.78351.7635

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 118.535 C1 C3 H6 122.291
C1 C4 H7 109.302 C1 C4 H8 110.820
C1 C4 H9 110.820 O2 C1 C3 120.282
O2 C1 C4 121.404 C3 C1 C4 118.314
H5 C3 H6 119.174 H7 C4 H8 109.334
H7 C4 H9 109.334 H8 C4 H9 107.193
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 0.406      
2 O -0.445      
3 C -0.264      
4 C -0.468      
5 H 0.162      
6 H 0.140      
7 H 0.166      
8 H 0.151      
9 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.345 -2.595 0.000 2.922
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.041 -1.570 0.000
y -1.570 -26.107 0.000
z 0.000 0.000 -24.069
Traceless
 xyz
x 3.046 -1.570 0.000
y -1.570 -3.052 0.000
z 0.000 0.000 0.005
Polar
3z2-r20.010
x2-y24.065
xy-1.570
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.914 0.277 0.000
y 0.277 5.661 0.000
z 0.000 0.000 3.139


<r2> (average value of r2) Å2
<r2> 76.470
(<r2>)1/2 8.745