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

using model chemistry: B3PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-192.435965
Energy at 298.15K-192.440593
HF Energy-192.435965
Nuclear repulsion energy111.990986
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(2df,p)
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' 3279 3152 3.14      
2 A' 3170 3048 6.14      
3 A' 3159 3037 2.14      
4 A' 3047 2929 3.06      
5 A' 1633 1570 63.82      
6 A' 1466 1409 13.70      
7 A' 1449 1393 26.65      
8 A' 1380 1327 30.25      
9 A' 1266 1217 50.25      
10 A' 1060 1019 4.04      
11 A' 919 884 4.01      
12 A' 823 791 2.87      
13 A' 518 498 14.19      
14 A' 376 361 2.21      
15 A" 3118 2998 8.39      
16 A" 1471 1414 7.45      
17 A" 1018 979 6.91      
18 A" 742 713 25.09      
19 A" 508 488 0.99      
20 A" 363 349 0.04      
21 A" 76 73 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15419.1 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 14824.0 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(2df,p)
ABC
0.36526 0.30337 0.17098

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.149 0.000
O2 0.453 1.292 0.000
C3 -1.423 -0.073 0.000
C4 0.909 -1.065 0.000
H5 -2.083 0.787 0.000
H6 -1.852 -1.070 0.000
H7 1.951 -0.742 0.000
H8 0.721 -1.689 0.881
H9 0.721 -1.689 -0.881

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.22911.43991.51722.17802.21772.14492.16232.1623
O21.22912.31982.40112.58513.30052.52643.12003.1200
C31.43992.31982.53391.08451.08533.43912.82522.8252
C41.51722.40112.53393.51882.76161.09061.09551.0955
H52.17802.58511.08453.51881.87124.31363.84293.8429
H62.21773.30051.08532.76161.87123.81742.78982.7898
H72.14492.52643.43911.09064.31363.81741.78441.7844
H82.16233.12002.82521.09553.84292.78981.78441.7617
H92.16233.12002.82521.09553.84292.78981.78441.7617

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 118.590 C1 C3 H6 122.234
C1 C4 H7 109.588 C1 C4 H8 110.669
C1 C4 H9 110.669 O2 C1 C3 120.513
O2 C1 C4 121.569 C3 C1 C4 117.918
H5 C3 H6 119.176 H7 C4 H8 109.419
H7 C4 H9 109.419 H8 C4 H9 107.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.412      
2 O -0.332      
3 C -0.350      
4 C -0.549      
5 H 0.172      
6 H 0.158      
7 H 0.169      
8 H 0.160      
9 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.281 -2.528 0.000 2.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.010 -1.454 0.000
y -1.454 -26.045 0.000
z 0.000 0.000 -23.938
Traceless
 xyz
x 2.982 -1.454 0.000
y -1.454 -3.071 0.000
z 0.000 0.000 0.089
Polar
3z2-r20.178
x2-y24.035
xy-1.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.129 0.185 0.000
y 0.185 5.800 0.000
z 0.000 0.000 3.476


<r2> (average value of r2) Å2
<r2> 76.247
(<r2>)1/2 8.732