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

using model chemistry: TPSSh/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 TPSSh/6-31G
 hartrees
Energy at 0K-192.451425
Energy at 298.15K-192.456071
HF Energy-192.451425
Nuclear repulsion energy110.880937
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/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' 3291 3167 7.41      
2 A' 3174 3054 13.32      
3 A' 3171 3051 1.75      
4 A' 3049 2933 6.98      
5 A' 1532 1473 4.62      
6 A' 1514 1457 23.12      
7 A' 1454 1399 30.07      
8 A' 1444 1390 31.02      
9 A' 1305 1256 47.62      
10 A' 1075 1034 4.59      
11 A' 966 930 3.98      
12 A' 834 802 2.39      
13 A' 510 491 13.78      
14 A' 384 370 2.19      
15 A" 3117 2998 17.42      
16 A" 1536 1477 11.17      
17 A" 1063 1022 6.42      
18 A" 800 769 37.30      
19 A" 508 489 1.46      
20 A" 403 388 0.10      
21 A" 40 38 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15584.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 14994.0 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/6-31G
ABC
0.35701 0.29945 0.16797

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
O2 0.596 1.260 0.000
C3 -1.429 0.075 0.000
C4 0.797 -1.164 0.000
H5 -1.990 1.003 0.000
H6 -1.969 -0.866 0.000
H7 1.862 -0.929 0.000
H8 0.562 -1.768 0.884
H9 0.562 -1.768 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.27801.43001.51912.17342.20662.14222.16822.1682
O21.27802.34592.43242.59883.33182.52943.15543.1554
C31.43002.34592.54741.08411.08553.44112.85442.8544
C41.51912.43242.54743.53012.78191.09101.09661.0966
H52.17342.59881.08413.53011.86904.30983.87023.8702
H62.20663.33181.08552.78191.86903.83202.82952.8295
H72.14222.52943.44111.09104.30983.83201.78201.7820
H82.16823.15542.85441.09663.87022.82951.78201.7686
H92.16823.15542.85441.09663.87022.82951.78201.7686

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 119.010 C1 C3 H6 122.023
C1 C4 H7 109.215 C1 C4 H8 110.945
C1 C4 H9 110.945 O2 C1 C3 119.957
O2 C1 C4 120.583 C3 C1 C4 119.460
H5 C3 H6 118.966 H7 C4 H8 109.098
H7 C4 H9 109.098 H8 C4 H9 107.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.321      
2 O -0.423      
3 C -0.273      
4 C -0.512      
5 H 0.185      
6 H 0.165      
7 H 0.190      
8 H 0.174      
9 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.728 -2.654 0.000 3.167
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 5.965 0.379 0.000
y 0.379 5.618 0.000
z 0.000 0.000 2.930


<r2> (average value of r2) Å2
<r2> 77.510
(<r2>)1/2 8.804