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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-191.357341
Energy at 298.15K-191.361924
HF Energy-191.357341
Nuclear repulsion energy110.146474
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 BLYP/3-21G
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' 3197 3179 6.93      
2 A' 3086 3069 7.02      
3 A' 3081 3064 5.99      
4 A' 2975 2959 3.87      
5 A' 1502 1494 3.99      
6 A' 1473 1465 13.92      
7 A' 1414 1406 17.14      
8 A' 1388 1381 38.15      
9 A' 1217 1210 51.35      
10 A' 1044 1038 3.42      
11 A' 921 916 5.80      
12 A' 767 763 6.25      
13 A' 486 483 10.31      
14 A' 384 382 1.63      
15 A" 3027 3010 13.67      
16 A" 1513 1505 9.89      
17 A" 1033 1027 7.93      
18 A" 766 762 32.39      
19 A" 502 500 4.84      
20 A" 370 368 0.43      
21 A" 67 66 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 15105.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 15022.8 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 BLYP/3-21G
ABC
0.34756 0.29834 0.16561

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.153 0.000
O2 0.542 1.309 0.000
C3 -1.430 -0.008 0.000
C4 0.843 -1.142 0.000
H5 -2.062 0.880 0.000
H6 -1.895 -0.995 0.000
H7 1.908 -0.872 0.000
H8 0.618 -1.751 0.893
H9 0.618 -1.751 -0.893

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.27681.43871.54512.18672.21542.16552.19142.1914
O21.27682.37092.46962.63913.35352.57333.18833.1883
C31.43872.37092.53971.09041.09113.44732.83282.8328
C41.54512.46962.53973.53962.74161.09861.10381.1038
H52.18672.63911.09043.53961.88254.33933.85993.8599
H62.21543.35351.09112.74161.88253.80442.77132.7713
H72.16552.57333.44731.09864.33933.80441.79841.7984
H82.19143.18832.83281.10383.85992.77131.79841.7859
H92.19143.18832.83281.10383.85992.77131.79841.7859

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 119.040 C1 C3 H6 121.658
C1 C4 H7 108.816 C1 C4 H8 110.532
C1 C4 H9 110.532 O2 C1 C3 121.532
O2 C1 C4 121.835 C3 C1 C4 116.633
H5 C3 H6 119.302 H7 C4 H8 109.479
H7 C4 H9 109.479 H8 C4 H9 107.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.319      
2 O -0.400      
3 C -0.320      
4 C -0.590      
5 H 0.205      
6 H 0.183      
7 H 0.208      
8 H 0.197      
9 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.372 -2.209 0.000 2.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.676 -1.547 0.000
y -1.547 -26.072 0.000
z 0.000 0.000 -24.503
Traceless
 xyz
x 2.611 -1.547 0.000
y -1.547 -2.483 0.000
z 0.000 0.000 -0.129
Polar
3z2-r2-0.257
x2-y23.396
xy-1.547
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.791 0.240 0.000
y 0.240 5.347 0.000
z 0.000 0.000 2.708


<r2> (average value of r2) Å2
<r2> 78.294
(<r2>)1/2 8.848