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

using model chemistry: ROHF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at ROHF/6-31+G**
 hartrees
Energy at 0K-191.339310
Energy at 298.15K-191.344098
HF Energy-191.339310
Nuclear repulsion energy112.564432
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 ROHF/6-31+G**
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' 3467 2968 4.20      
2 A' 3352 2869 1.81      
3 A' 3322 2843 11.87      
4 A' 3206 2744 7.98      
5 A' 1945 1665 260.73      
6 A' 1610 1378 11.72      
7 A' 1596 1366 26.29      
8 A' 1549 1326 25.47      
9 A' 1375 1177 94.73      
10 A' 1169 1000 7.27      
11 A' 1006 861 6.01      
12 A' 874 748 0.54      
13 A' 570 488 20.97      
14 A' 407 349 2.09      
15 A" 3261 2791 18.33      
16 A" 1615 1382 8.78      
17 A" 1131 968 4.18      
18 A" 667 571 57.10      
19 A" 548 469 7.64      
20 A" 328 281 0.02      
21 A" 103 88 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 16550.4 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 14165.5 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 ROHF/6-31+G**
ABC
0.36883 0.30380 0.17184

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.160 0.000
O2 0.356 1.305 0.000
C3 -1.427 -0.182 0.000
C4 0.990 -0.984 0.000
H5 -2.146 0.613 0.000
H6 -1.763 -1.201 0.000
H7 1.998 -0.594 0.000
H8 0.842 -1.610 0.876
H9 0.842 -1.610 -0.876

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.19981.46731.51252.19372.22722.13552.14632.1463
O21.19982.32222.37552.59683.28262.51083.08233.0823
C31.46732.32222.54621.07231.07323.44952.82012.8201
C41.51252.37552.54623.51932.76121.08091.08621.0862
H52.19372.59681.07233.51931.85444.31663.82603.8260
H62.22723.28261.07322.76121.85443.80952.77842.7784
H72.13552.51083.44951.08094.31663.80951.77011.7701
H82.14633.08232.82011.08623.82602.77841.77011.7513
H92.14633.08232.82011.08623.82602.77841.77011.7513

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 118.672 C1 C3 H6 121.717
C1 C4 H7 109.735 C1 C4 H8 110.280
C1 C4 H9 110.280 O2 C1 C3 120.747
O2 C1 C4 121.855 C3 C1 C4 117.397
H5 C3 H6 119.610 H7 C4 H8 109.533
H7 C4 H9 109.533 H8 C4 H9 107.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.522      
2 O -0.528      
3 C -0.374      
4 C -0.745      
5 H 0.241      
6 H 0.220      
7 H 0.238      
8 H 0.213      
9 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.201 -3.308 0.000 3.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.627 -1.559 0.000
y -1.559 -28.095 -0.000
z 0.000 -0.000 -24.875
Traceless
 xyz
x 3.858 -1.559 0.000
y -1.559 -4.344 -0.000
z 0.000 -0.000 0.486
Polar
3z2-r20.972
x2-y25.468
xy-1.559
xz0.000
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 76.656
(<r2>)1/2 8.755