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

using model chemistry: B3LYP/CEP-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/CEP-31G*
 hartrees
Energy at 0K-35.878421
Energy at 298.15K-35.882932
HF Energy-35.878421
Nuclear repulsion energy60.616230
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/CEP-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' 3260 3148 11.78      
2 A' 3158 3050 17.22      
3 A' 3147 3040 6.07      
4 A' 3048 2944 8.02      
5 A' 1597 1542 80.87      
6 A' 1474 1424 15.36      
7 A' 1455 1405 29.57      
8 A' 1396 1348 27.06      
9 A' 1262 1219 58.42      
10 A' 1050 1014 3.39      
11 A' 915 884 3.22      
12 A' 813 785 1.38      
13 A' 507 490 12.21      
14 A' 372 359 2.48      
15 A" 3110 3003 26.76      
16 A" 1478 1427 11.11      
17 A" 1017 982 10.22      
18 A" 738 713 58.06      
19 A" 503 486 3.04      
20 A" 355 342 0.02      
21 A" 44 43 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15350.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 14823.5 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/CEP-31G*
ABC
0.35289 0.29433 0.16551

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.151 0.000
O2 0.435 1.324 0.000
C3 -1.446 -0.106 0.000
C4 0.945 -1.064 0.000
H5 -2.132 0.749 0.000
H6 -1.856 -1.121 0.000
H7 1.989 -0.718 0.000
H8 0.766 -1.693 0.890
H9 0.766 -1.693 -0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.25091.46901.53862.21392.25052.17022.18622.1862
O21.25092.36272.44122.63013.35082.56563.16293.1629
C31.46902.36272.57591.09511.09533.48942.86482.8648
C41.53862.44122.57593.57042.80171.10001.10481.1048
H52.21392.63011.09513.57041.89014.37363.89243.8924
H62.25053.35081.09532.80171.89013.86642.82772.8277
H72.17022.56563.48941.10004.37363.86641.79991.7999
H82.18623.16292.86481.10483.89242.82771.79991.7801
H92.18623.16292.86481.10483.89242.82771.79991.7801

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 118.678 C1 C3 H6 122.037
C1 C4 H7 109.542 C1 C4 H8 110.516
C1 C4 H9 110.516 O2 C1 C3 120.393
O2 C1 C4 121.784 C3 C1 C4 117.823
H5 C3 H6 119.285 H7 C4 H8 109.445
H7 C4 H9 109.445 H8 C4 H9 107.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.033      
2 O -0.085      
3 C -0.422      
4 C -0.496      
5 H 0.221      
6 H 0.243      
7 H 0.199      
8 H 0.154      
9 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.314 -2.838 0.000 3.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.052 -1.493 0.000
y -1.493 -26.599 0.000
z 0.000 0.000 -24.368
Traceless
 xyz
x 3.432 -1.493 0.000
y -1.493 -3.389 0.000
z 0.000 0.000 -0.043
Polar
3z2-r2-0.086
x2-y24.547
xy-1.493
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.022 0.362 0.000
y 0.362 5.764 0.000
z 0.000 0.000 3.266


<r2> (average value of r2) Å2
<r2> 66.219
(<r2>)1/2 8.138