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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-192.471896
Energy at 298.15K-192.476557
HF Energy-192.471896
Nuclear repulsion energy111.925176
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 mPW1PW91/aug-cc-pVDZ
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' 3300 3163 2.59      
2 A' 3190 3057 6.02      
3 A' 3173 3041 2.82      
4 A' 3061 2933 3.22      
5 A' 1625 1557 81.73      
6 A' 1464 1403 29.70      
7 A' 1438 1378 25.74      
8 A' 1377 1319 36.49      
9 A' 1279 1225 38.03      
10 A' 1059 1015 4.24      
11 A' 925 886 3.90      
12 A' 839 804 2.26      
13 A' 523 501 14.80      
14 A' 384 368 2.90      
15 A" 3136 3005 7.89      
16 A" 1453 1392 8.66      
17 A" 1012 969 5.94      
18 A" 761 730 28.36      
19 A" 511 490 1.01      
20 A" 353 338 0.09      
21 A" 76 73 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 15468.1 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 14823.1 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 mPW1PW91/aug-cc-pVDZ
ABC
0.36577 0.30302 0.17103

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.143 0.000
O2 0.450 1.292 0.000
C3 -1.424 -0.074 0.000
C4 0.913 -1.061 0.000
H5 -2.084 0.791 0.000
H6 -1.855 -1.075 0.000
H7 1.955 -0.731 0.000
H8 0.725 -1.684 0.884
H9 0.725 -1.684 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23391.44051.51112.18212.21882.14162.15572.1557
O21.23392.31902.39812.58243.30332.52163.11723.1172
C31.44052.31902.53701.08801.08913.44252.82712.8271
C41.51112.39812.53703.52292.76821.09311.09831.0983
H52.18212.58241.08803.52291.87954.31613.84683.8468
H62.21883.30331.08912.76821.87953.82572.79452.7945
H72.14162.52163.44251.09314.31613.82571.79031.7903
H82.15573.11722.82711.09833.84682.79451.79031.7687
H92.15573.11722.82711.09833.84682.79451.79031.7687

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 118.641 C1 C3 H6 121.981
C1 C4 H7 109.607 C1 C4 H8 110.407
C1 C4 H9 110.407 O2 C1 C3 120.051
O2 C1 C4 121.442 C3 C1 C4 118.506
H5 C3 H6 119.378 H7 C4 H8 109.567
H7 C4 H9 109.567 H8 C4 H9 107.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.405      
2 O -0.594      
3 C 0.731      
4 C 0.305      
5 H -0.314      
6 H -0.385      
7 H -0.154      
8 H 0.003      
9 H 0.003      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.366 -2.840 0.000 3.151
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.462 -1.706 0.000
y -1.706 -27.116 0.000
z 0.000 0.000 -24.652
Traceless
 xyz
x 3.421 -1.706 0.000
y -1.706 -3.559 0.000
z 0.000 0.000 0.137
Polar
3z2-r20.275
x2-y24.653
xy-1.706
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.131 0.193 0.000
y 0.193 6.863 0.000
z 0.000 0.000 4.656


<r2> (average value of r2) Å2
<r2> 76.716
(<r2>)1/2 8.759