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

using model chemistry: ROMP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at ROMP2/6-31G
 hartrees
Energy at 0K-191.629348
Energy at 298.15K-191.634046
HF Energy-191.243474
Nuclear repulsion energy110.198615
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 ROMP2/6-31G
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' 3316 3316        
2 A' 3193 3193        
3 A' 3183 3183        
4 A' 3064 3064        
5 A' 1559 1559        
6 A' 1527 1527        
7 A' 1476 1476        
8 A' 1470 1470        
9 A' 1299 1299        
10 A' 1085 1085        
11 A' 959 959        
12 A' 829 829        
13 A' 524 524        
14 A' 396 396        
15 A" 3141 3141        
16 A" 1553 1553        
17 A" 1083 1083        
18 A" 709 709        
19 A" 518 518        
20 A" 376 376        
21 A" 83 83        

Unscaled Zero Point Vibrational Energy (zpe) 15670.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15670.7 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 ROMP2/6-31G
ABC
0.35110 0.29636 0.16574

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
O2 0.563 1.285 0.000
C3 -1.445 0.029 0.000
C4 0.837 -1.145 0.000
H5 -2.039 0.938 0.000
H6 -1.954 -0.932 0.000
H7 1.897 -0.869 0.000
H8 0.621 -1.755 0.889
H9 0.621 -1.755 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.28451.44841.52532.19312.22452.14422.17512.1751
O21.28452.36852.44532.62493.35442.53403.16793.1679
C31.44842.36852.56551.08641.08743.46012.87042.8704
C41.52532.44532.56553.55072.79911.09531.09951.0995
H52.19312.62491.08643.55071.87214.33093.88833.8883
H62.22453.35441.08742.79911.87213.85162.84612.8461
H72.14422.53403.46011.09534.33093.85161.78931.7893
H82.17513.16792.87041.09953.88832.84611.78931.7778
H92.17513.16792.87041.09953.88832.84611.78931.7778

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 119.114 C1 C3 H6 121.981
C1 C4 H7 108.699 C1 C4 H8 110.885
C1 C4 H9 110.885 O2 C1 C3 120.030
O2 C1 C4 120.744 C3 C1 C4 119.225
H5 C3 H6 118.906 H7 C4 H8 109.225
H7 C4 H9 109.225 H8 C4 H9 107.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.456      
2 O -0.582      
3 C -0.326      
4 C -0.532      
5 H 0.214      
6 H 0.189      
7 H 0.213      
8 H 0.184      
9 H 0.184      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 78.785
(<r2>)1/2 8.876