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

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-191.442363
Energy at 298.15K-191.447037
HF Energy-191.442363
Nuclear repulsion energy110.826092
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 TPSSh/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' 3270 3158 5.98      
2 A' 3157 3049 8.50      
3 A' 3154 3046 4.02      
4 A' 3046 2941 3.86      
5 A' 1537 1485 5.53      
6 A' 1511 1459 14.60      
7 A' 1443 1394 7.73      
8 A' 1428 1379 47.51      
9 A' 1250 1208 53.29      
10 A' 1070 1033 3.59      
11 A' 943 910 5.85      
12 A' 798 771 3.58      
13 A' 489 472 11.34      
14 A' 381 368 1.77      
15 A" 3103 2997 12.71      
16 A" 1550 1497 11.30      
17 A" 1062 1025 8.07      
18 A" 789 762 37.80      
19 A" 519 501 4.32      
20 A" 418 403 0.03      
21 A" 67 65 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 15492.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 14961.3 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 TPSSh/3-21G*
ABC
0.35156 0.30263 0.16779

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.149 0.000
O2 0.532 1.304 0.000
C3 -1.421 -0.016 0.000
C4 0.843 -1.128 0.000
H5 -2.056 0.863 0.000
H6 -1.876 -1.002 0.000
H7 1.902 -0.854 0.000
H8 0.622 -1.734 0.889
H9 0.622 -1.734 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.27131.43101.53052.17662.20112.15012.17312.1731
O21.27132.35762.45172.62523.33392.55623.16623.1662
C31.43102.35762.52291.08461.08553.42702.81352.8135
C41.53052.45172.52293.51732.72221.09301.09811.0981
H52.17662.62521.08463.51731.87394.31433.83503.8350
H62.20113.33391.08552.72221.87393.78042.75062.7506
H72.15012.55623.42701.09304.31433.78041.78881.7888
H82.17313.16622.81351.09813.83502.75061.78881.7776
H92.17313.16622.81351.09813.83502.75061.78881.7776

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 119.175 C1 C3 H6 121.395
C1 C4 H7 108.943 C1 C4 H8 110.446
C1 C4 H9 110.446 O2 C1 C3 121.372
O2 C1 C4 121.832 C3 C1 C4 116.796
H5 C3 H6 119.430 H7 C4 H8 109.457
H7 C4 H9 109.457 H8 C4 H9 108.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.325      
2 O -0.430      
3 C -0.373      
4 C -0.659      
5 H 0.239      
6 H 0.214      
7 H 0.238      
8 H 0.223      
9 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.409 -2.351 0.000 2.741
CHELPG        
AIM        
ESP        


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 5.611 0.282 0.000
y 0.282 5.268 0.000
z 0.000 0.000 2.685


<r2> (average value of r2) Å2
<r2> 77.469
(<r2>)1/2 8.802