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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-192.465106
Energy at 298.15K-192.469716
HF Energy-192.465106
Nuclear repulsion energy112.021520
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3268 3146 6.00      
2 A' 3159 3041 10.37      
3 A' 3150 3033 3.37      
4 A' 3043 2930 4.94      
5 A' 1624 1563 76.45      
6 A' 1484 1429 17.07      
7 A' 1463 1409 36.02      
8 A' 1399 1347 36.34      
9 A' 1274 1227 52.94      
10 A' 1069 1029 4.51      
11 A' 927 892 4.28      
12 A' 826 795 2.71      
13 A' 526 506 14.30      
14 A' 382 368 2.00      
15 A" 3106 2990 13.86      
16 A" 1489 1433 11.30      
17 A" 1029 991 6.89      
18 A" 738 711 33.21      
19 A" 508 489 2.14      
20 A" 361 347 0.04      
21 A" 59 57 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15441.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 14865.4 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 B3PW91/6-311G*
ABC
0.36599 0.30314 0.17107

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.148 0.000
O2 0.453 1.291 0.000
C3 -1.423 -0.071 0.000
C4 0.908 -1.065 0.000
H5 -2.080 0.791 0.000
H6 -1.859 -1.065 0.000
H7 1.949 -0.741 0.000
H8 0.727 -1.690 0.880
H9 0.727 -1.690 -0.880

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.22961.43961.51522.17692.21932.14202.16372.1637
O21.22962.31802.39972.58103.30052.52363.12043.1204
C31.43962.31802.53421.08411.08523.43762.83182.8318
C41.51522.39972.53423.51762.76701.08961.09471.0947
H52.17692.58101.08413.51761.86954.31013.84853.8485
H62.21933.30051.08522.76701.86953.82122.80242.8024
H72.14202.52363.43761.08964.31013.82121.77951.7795
H82.16373.12042.83181.09473.84852.80241.77951.7608
H92.16373.12042.83181.09473.84852.80241.77951.7608

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 118.537 C1 C3 H6 122.424
C1 C4 H7 109.553 C1 C4 H8 110.969
C1 C4 H9 110.969 O2 C1 C3 120.349
O2 C1 C4 121.565 C3 C1 C4 118.086
H5 C3 H6 119.039 H7 C4 H8 109.111
H7 C4 H9 109.111 H8 C4 H9 107.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.267      
2 O -0.307      
3 C -0.431      
4 C -0.738      
5 H 0.249      
6 H 0.230      
7 H 0.253      
8 H 0.239      
9 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.344 -2.639 0.000 2.962
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.426 -1.472 0.000
y -1.472 -26.568 0.000
z 0.000 0.000 -24.518
Traceless
 xyz
x 3.117 -1.472 0.000
y -1.472 -3.096 0.000
z 0.000 0.000 -0.021
Polar
3z2-r2-0.042
x2-y24.142
xy-1.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.210 0.231 0.000
y 0.231 5.858 0.000
z 0.000 0.000 3.471


<r2> (average value of r2) Å2
<r2> 76.549
(<r2>)1/2 8.749