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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-192.265917
Energy at 298.15K-192.270390
HF Energy-192.265917
Nuclear repulsion energy111.256114
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 PBEPBE/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' 3202 3169 4.02      
2 A' 3102 3070 5.77      
3 A' 3081 3050 3.29      
4 A' 2977 2947 2.71      
5 A' 1573 1557 60.80      
6 A' 1422 1407 14.99      
7 A' 1404 1390 23.71      
8 A' 1329 1315 29.54      
9 A' 1232 1219 42.58      
10 A' 1027 1016 3.67      
11 A' 893 884 3.05      
12 A' 800 791 4.99      
13 A' 500 495 12.78      
14 A' 365 361 2.07      
15 A" 3046 3015 7.43      
16 A" 1425 1411 6.84      
17 A" 980 970 6.76      
18 A" 720 712 21.11      
19 A" 481 476 1.58      
20 A" 313 310 0.03      
21 A" 72 72 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 14971.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 14817.4 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 PBEPBE/6-31G(2df,p)
ABC
0.35939 0.30068 0.16890

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.150 0.000
O2 0.464 1.302 0.000
C3 -1.428 -0.068 0.000
C4 0.905 -1.078 0.000
H5 -2.089 0.802 0.000
H6 -1.867 -1.070 0.000
H7 1.956 -0.759 0.000
H8 0.712 -1.706 0.886
H9 0.712 -1.706 -0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.24181.44481.52522.18832.23002.15672.17612.1761
O21.24182.33622.41972.60183.32532.54373.14503.1450
C31.44482.33622.54251.09221.09353.45392.83682.8368
C41.52522.41972.54253.53502.77221.09791.10321.1032
H52.18832.60181.09223.53501.88434.33553.86233.8623
H62.23003.32531.09352.77221.88433.83552.80002.8000
H72.15672.54373.45391.09794.33553.83551.79701.7970
H82.17613.14502.83681.10323.86232.80001.79701.7719
H92.17613.14502.83681.10323.86232.80001.79701.7719

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 118.552 C1 C3 H6 122.332
C1 C4 H7 109.536 C1 C4 H8 110.753
C1 C4 H9 110.753 O2 C1 C3 120.633
O2 C1 C4 121.635 C3 C1 C4 117.732
H5 C3 H6 119.116 H7 C4 H8 109.452
H7 C4 H9 109.452 H8 C4 H9 106.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.388      
2 O -0.293      
3 C -0.319      
4 C -0.517      
5 H 0.152      
6 H 0.140      
7 H 0.153      
8 H 0.148      
9 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.244 -2.412 0.000 2.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.244 -1.413 0.000
y -1.413 -26.044 0.000
z 0.000 0.000 -24.055
Traceless
 xyz
x 2.805 -1.413 0.000
y -1.413 -2.895 0.000
z 0.000 0.000 0.090
Polar
3z2-r20.179
x2-y23.800
xy-1.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.423 0.138 0.000
y 0.138 5.992 0.000
z 0.000 0.000 3.524


<r2> (average value of r2) Å2
<r2> 77.066
(<r2>)1/2 8.779