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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-192.267944
Energy at 298.15K-192.272573
HF Energy-192.267944
Nuclear repulsion energy111.946446
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 PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3313 3158 3.30      
2 A' 3200 3050 6.44      
3 A' 3196 3046 1.53      
4 A' 3076 2931 2.97      
5 A' 1654 1576 61.91      
6 A' 1499 1429 13.83      
7 A' 1481 1411 29.75      
8 A' 1416 1350 34.14      
9 A' 1293 1233 52.23      
10 A' 1076 1026 3.56      
11 A' 937 893 3.39      
12 A' 840 801 1.96      
13 A' 525 500 14.67      
14 A' 381 363 2.23      
15 A" 3146 2998 8.96      
16 A" 1503 1433 10.04      
17 A" 1035 987 7.86      
18 A" 741 706 32.78      
19 A" 509 485 1.21      
20 A" 373 356 0.06      
21 A" 58 56 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15626.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 14893.1 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 PBE1PBE/6-31G**
ABC
0.36526 0.30324 0.17096

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.146 0.000
O2 0.459 1.291 0.000
C3 -1.423 -0.066 0.000
C4 0.904 -1.069 0.000
H5 -2.077 0.799 0.000
H6 -1.861 -1.060 0.000
H7 1.946 -0.745 0.000
H8 0.719 -1.693 0.882
H9 0.719 -1.693 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23321.43891.51412.17752.21792.14032.16222.1622
O21.23322.31992.40102.58283.30272.52103.12173.1217
C31.43892.31992.53411.08471.08613.43722.83062.8306
C41.51412.40102.53413.51822.76571.09141.09631.0963
H52.17752.58281.08473.51821.87174.30953.84783.8478
H62.21793.30271.08612.76571.87173.82082.79952.7995
H72.14032.52103.43721.09144.30953.82081.78421.7842
H82.16223.12172.83061.09633.84782.79951.78421.7645
H92.16223.12172.83061.09633.84782.79951.78421.7645

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 118.597 C1 C3 H6 122.272
C1 C4 H7 109.392 C1 C4 H8 110.828
C1 C4 H9 110.828 O2 C1 C3 120.305
O2 C1 C4 121.502 C3 C1 C4 118.193
H5 C3 H6 119.131 H7 C4 H8 109.289
H7 C4 H9 109.289 H8 C4 H9 107.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.436      
2 O -0.442      
3 C -0.370      
4 C -0.616      
5 H 0.206      
6 H 0.187      
7 H 0.210      
8 H 0.195      
9 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.332 -2.595 0.000 2.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.091 -1.508 0.000
y -1.508 -26.180 0.000
z 0.000 0.000 -24.147
Traceless
 xyz
x 3.073 -1.508 0.000
y -1.508 -3.061 0.000
z 0.000 0.000 -0.012
Polar
3z2-r2-0.023
x2-y24.090
xy-1.508
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.792 0.294 0.000
y 0.294 5.585 0.000
z 0.000 0.000 3.075


<r2> (average value of r2) Å2
<r2> 76.354
(<r2>)1/2 8.738