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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-192.279680
Energy at 298.15K-192.284307
HF Energy-192.103262
Nuclear repulsion energy111.717748
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 B2PLYP/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' 3323 3154 3.98      
2 A' 3207 3044 5.78      
3 A' 3204 3041 3.65      
4 A' 3084 2928 3.63      
5 A' 1697 1611 108.26      
6 A' 1521 1444 11.38      
7 A' 1501 1425 25.79      
8 A' 1436 1363 26.74      
9 A' 1296 1230 67.55      
10 A' 1089 1033 5.23      
11 A' 941 893 5.18      
12 A' 831 789 1.44      
13 A' 527 500 15.20      
14 A' 385 366 1.82      
15 A" 3150 2990 11.58      
16 A" 1527 1449 8.47      
17 A" 1051 998 5.89      
18 A" 721 685 33.95      
19 A" 513 487 0.78      
20 A" 359 341 0.04      
21 A" 69 65 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15716.1 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 14917.7 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 B2PLYP/6-31G*
ABC
0.36277 0.30206 0.17003

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.148 0.000
O2 0.444 1.300 0.000
C3 -1.428 -0.087 0.000
C4 0.921 -1.060 0.000
H5 -2.094 0.766 0.000
H6 -1.850 -1.086 0.000
H7 1.956 -0.721 0.000
H8 0.741 -1.683 0.882
H9 0.741 -1.683 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23411.44751.51862.18322.22352.14062.16292.1629
O21.23412.32982.40682.59313.30922.52383.12413.1241
C31.44752.32982.54221.08251.08383.44332.83342.8334
C41.51862.40682.54223.52442.77051.08961.09461.0946
H52.18322.59311.08253.52441.86824.31453.84863.8486
H62.22353.30921.08382.77051.86823.82352.80102.8010
H72.14062.52383.44331.08964.31453.82351.78311.7831
H82.16293.12412.83341.09463.84862.80101.78311.7635
H92.16293.12412.83341.09463.84862.80101.78311.7635

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 118.583 C1 C3 H6 122.245
C1 C4 H7 109.213 C1 C4 H8 110.683
C1 C4 H9 110.683 O2 C1 C3 120.438
O2 C1 C4 121.600 C3 C1 C4 117.963
H5 C3 H6 119.172 H7 C4 H8 109.450
H7 C4 H9 109.450 H8 C4 H9 107.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.443      
2 O -0.448      
3 C -0.341      
4 C -0.551      
5 H 0.189      
6 H 0.171      
7 H 0.189      
8 H 0.174      
9 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.315 -2.660 0.000 2.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.379 -1.473 0.000
y -1.473 -26.610 0.000
z 0.000 0.000 -24.247
Traceless
 xyz
x 3.050 -1.473 0.000
y -1.473 -3.297 0.000
z 0.000 0.000 0.247
Polar
3z2-r20.495
x2-y24.231
xy-1.473
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.660 0.263 0.000
y 0.263 5.461 0.000
z 0.000 0.000 3.040


<r2> (average value of r2) Å2
<r2> 76.808
(<r2>)1/2 8.764