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

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-189.912698
Energy at 298.15K 
HF Energy-189.912698
Nuclear repulsion energy107.921353
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/STO-3G
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' 3439 3182 0.16      
2 A' 3381 3128 0.61      
3 A' 3267 3023 4.99      
4 A' 3200 2960 0.00      
5 A' 1626 1504 3.69      
6 A' 1540 1425 2.87      
7 A' 1484 1373 2.16      
8 A' 1392 1288 36.68      
9 A' 1216 1125 15.68      
10 A' 1045 966 1.73      
11 A' 947 876 4.56      
12 A' 796 737 3.20      
13 A' 466 431 4.58      
14 A' 369 342 1.00      
15 A" 3357 3106 1.58      
16 A" 1625 1504 4.86      
17 A" 1047 969 4.05      
18 A" 645 597 16.57      
19 A" 468 433 1.18      
20 A" 73 68 0.02      
21 A" 259i 239i 20.67      

Unscaled Zero Point Vibrational Energy (zpe) 15561.4 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 14397.4 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/STO-3G
ABC
0.33356 0.28535 0.15850

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.156 0.000
O2 0.636 1.305 0.000
C3 -1.453 0.082 0.000
C4 0.790 -1.221 0.000
H5 -2.059 1.007 0.000
H6 -1.992 -0.885 0.000
H7 1.880 -1.024 0.000
H8 0.531 -1.818 0.899
H9 0.531 -1.818 -0.899

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.31321.45531.58732.22842.24762.21982.23322.2332
O21.31322.42142.53032.71193.42102.64033.25133.2513
C31.45532.42142.59391.10661.10663.51212.89062.8906
C41.58732.53032.59393.61702.80181.10781.10981.1098
H52.22842.71191.10663.61701.89394.43243.93733.9373
H62.24763.42101.10662.80181.89393.87442.83632.8363
H72.21982.64033.51211.10784.43243.87441.80481.8048
H82.23323.25132.89061.10983.93732.83631.80481.7982
H92.23323.25132.89061.10983.93732.83631.80481.7982

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 120.267 C1 C3 H6 122.049
C1 C4 H7 109.619 C1 C4 H8 110.536
C1 C4 H9 110.536 O2 C1 C3 121.914
O2 C1 C4 121.179 C3 C1 C4 116.907
H5 C3 H6 117.684 H7 C4 H8 108.945
H7 C4 H9 108.945 H8 C4 H9 108.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.099      
2 O -0.148      
3 C -0.123      
4 C -0.230      
5 H 0.085      
6 H 0.080      
7 H 0.082      
8 H 0.078      
9 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.035 -1.323 0.000 1.679
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.375 -1.100 0.000
y -1.100 -23.389 0.000
z 0.000 0.000 -22.296
Traceless
 xyz
x 1.467 -1.100 0.000
y -1.100 -1.553 0.000
z 0.000 0.000 0.086
Polar
3z2-r20.172
x2-y22.014
xy-1.100
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.852 0.237 0.000
y 0.237 3.351 0.000
z 0.000 0.000 1.488


<r2> (average value of r2) Å2
<r2> 79.747
(<r2>)1/2 8.930