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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-192.399808
Energy at 298.15K-192.404408
HF Energy-192.399808
Nuclear repulsion energy112.130622
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 B1B95/6-31G**
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' 3313 3163 3.88      
2 A' 3205 3060 6.35      
3 A' 3196 3052 2.39      
4 A' 3082 2943 3.34      
5 A' 1643 1569 61.26      
6 A' 1502 1434 13.14      
7 A' 1483 1416 27.43      
8 A' 1416 1352 30.16      
9 A' 1294 1236 51.29      
10 A' 1075 1026 4.26      
11 A' 937 895 3.24      
12 A' 839 801 2.10      
13 A' 521 498 14.99      
14 A' 376 359 2.09      
15 A" 3152 3010 10.07      
16 A" 1506 1438 9.30      
17 A" 1035 988 7.36      
18 A" 746 713 31.64      
19 A" 506 483 1.03      
20 A" 385 367 0.05      
21 A" 41 39 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15626.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 14920.6 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 B1B95/6-31G**
ABC
0.36724 0.30374 0.17153

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.143 0.000
O2 0.477 1.281 0.000
C3 -1.421 -0.042 0.000
C4 0.887 -1.082 0.000
H5 -2.058 0.833 0.000
H6 -1.877 -1.026 0.000
H7 1.930 -0.770 0.000
H8 0.696 -1.701 0.881
H9 0.696 -1.701 -0.881

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23341.43301.51282.17052.21112.13542.15952.1595
O21.23342.31352.39822.57413.29552.51353.11753.1175
C31.43302.31352.53141.08281.08413.42932.83002.8300
C41.51282.39822.53143.51312.76431.08891.09371.0937
H52.17052.57411.08283.51311.86814.29843.84503.8450
H62.21113.29551.08412.76431.86813.81552.80162.8016
H72.13542.51353.42931.08894.29843.81551.77991.7799
H82.15953.11752.83001.09373.84502.80161.77991.7613
H92.15953.11752.83001.09373.84502.80161.77991.7613

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 118.596 C1 C3 H6 122.298
C1 C4 H7 109.243 C1 C4 H8 110.871
C1 C4 H9 110.871 O2 C1 C3 120.189
O2 C1 C4 121.350 C3 C1 C4 118.461
H5 C3 H6 119.106 H7 C4 H8 109.276
H7 C4 H9 109.276 H8 C4 H9 107.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.428      
2 O -0.444      
3 C -0.349      
4 C -0.580      
5 H 0.198      
6 H 0.178      
7 H 0.200      
8 H 0.185      
9 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.387 -2.564 0.000 2.915
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.065 -1.564 0.000
y -1.564 -26.101 0.000
z 0.000 0.000 -24.064
Traceless
 xyz
x 3.018 -1.564 0.000
y -1.564 -3.037 0.000
z 0.000 0.000 0.019
Polar
3z2-r20.038
x2-y24.037
xy-1.564
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.856 0.298 0.000
y 0.298 5.557 0.000
z 0.000 0.000 3.067


<r2> (average value of r2) Å2
<r2> 76.109
(<r2>)1/2 8.724