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

using model chemistry: ROMP2/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 ROMP2/cc-pVDZ
 hartrees
Energy at 0K-191.920344
Energy at 298.15K-191.925010
HF Energy-191.345990
Nuclear repulsion energy111.214027
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/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' 3339 3339        
2 A' 3222 3222        
3 A' 3206 3206        
4 A' 3087 3087        
5 A' 1674 1674        
6 A' 1478 1478        
7 A' 1461 1461        
8 A' 1390 1390        
9 A' 1276 1276        
10 A' 1066 1066        
11 A' 920 920        
12 A' 836 836        
13 A' 520 520        
14 A' 379 379        
15 A" 3180 3180        
16 A" 1477 1477        
17 A" 1021 1021        
18 A" 718 718        
19 A" 515 515        
20 A" 363 363        
21 A" 87 87        

Unscaled Zero Point Vibrational Energy (zpe) 15606.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15606.5 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 ROMP2/cc-pVDZ
ABC
0.35765 0.30110 0.16869

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.152 0.000
O2 0.403 1.321 0.000
C3 -1.431 -0.141 0.000
C4 0.956 -1.030 0.000
H5 -2.131 0.697 0.000
H6 -1.813 -1.166 0.000
H7 1.991 -0.662 0.000
H8 0.788 -1.661 0.889
H9 0.788 -1.661 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23621.46051.52032.19962.24102.15142.16782.1678
O21.23622.34542.41492.61003.33042.54063.13533.1353
C31.46052.34542.54671.09241.09313.46142.83232.8323
C41.52032.41492.54673.53722.77171.09881.10321.1032
H52.19962.61001.09243.53721.88954.34073.85633.8563
H62.24103.33041.09312.77171.88953.83692.79252.7925
H72.15142.54063.46141.09884.34073.83691.79891.7989
H82.16783.13532.83231.10323.85632.79251.79891.7783
H92.16783.13532.83231.10323.85632.79251.79891.7783

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 118.287 C1 C3 H6 122.041
C1 C4 H7 109.401 C1 C4 H8 110.429
C1 C4 H9 110.429 O2 C1 C3 120.631
O2 C1 C4 122.008 C3 C1 C4 117.361
H5 C3 H6 119.672 H7 C4 H8 109.569
H7 C4 H9 109.569 H8 C4 H9 107.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.110      
2 O -0.357      
3 C -0.038      
4 C -0.049      
5 H 0.084      
6 H 0.067      
7 H 0.067      
8 H 0.058      
9 H 0.058      


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> 77.592
(<r2>)1/2 8.809