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

using model chemistry: ROHF/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 ROHF/6-31G*
 hartrees
Energy at 0K-191.333083
Energy at 298.15K-191.337855
HF Energy-191.333083
Nuclear repulsion energy112.608861
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/6-31G*
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' 3470 3090 5.16      
2 A' 3355 2987 2.04      
3 A' 3325 2961 12.44      
4 A' 3208 2856 7.29      
5 A' 1971 1755 218.33      
6 A' 1615 1438 9.46      
7 A' 1600 1424 24.00      
8 A' 1552 1382 25.65      
9 A' 1376 1225 96.58      
10 A' 1169 1041 6.61      
11 A' 1005 895 5.73      
12 A' 873 777 0.47      
13 A' 569 507 22.30      
14 A' 405 361 1.77      
15 A" 3264 2906 20.28      
16 A" 1620 1443 7.93      
17 A" 1132 1008 5.27      
18 A" 650 579 42.71      
19 A" 542 483 6.66      
20 A" 333 296 0.06      
21 A" 110 98 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 16571.3 cm-1
Scaled (by 0.8904) Zero Point Vibrational Energy (zpe) 14755.1 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/6-31G*
ABC
0.36909 0.30393 0.17193

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.161 0.000
O2 0.355 1.305 0.000
C3 -1.426 -0.184 0.000
C4 0.990 -0.983 0.000
H5 -2.145 0.611 0.000
H6 -1.764 -1.202 0.000
H7 1.997 -0.591 0.000
H8 0.845 -1.610 0.875
H9 0.845 -1.610 -0.875

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.19781.46731.51322.19212.22912.13372.14822.1482
O21.19782.32122.37482.59453.28232.50783.08233.0823
C31.46732.32122.54541.07201.07293.44742.82102.8210
C41.51322.37482.54543.51782.76281.08081.08611.0861
H52.19212.59451.07203.51781.85314.31323.82633.8263
H62.22913.28231.07292.76281.85313.81042.78182.7818
H72.13372.50783.44741.08084.31323.81041.76991.7699
H82.14823.08232.82101.08613.82632.78181.76991.7509
H92.14823.08232.82101.08613.82632.78181.76991.7509

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 118.548 C1 C3 H6 121.920
C1 C4 H7 109.553 C1 C4 H8 110.392
C1 C4 H9 110.392 O2 C1 C3 120.810
O2 C1 C4 121.894 C3 C1 C4 117.296
H5 C3 H6 119.533 H7 C4 H8 109.527
H7 C4 H9 109.527 H8 C4 H9 107.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.523      
2 O -0.534      
3 C -0.407      
4 C -0.577      
5 H 0.220      
6 H 0.198      
7 H 0.210      
8 H 0.184      
9 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.154 -3.061 0.000 3.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.371 -1.396 0.000
y -1.396 -27.405 -0.000
z 0.000 -0.000 -24.369
Traceless
 xyz
x 3.516 -1.396 0.000
y -1.396 -4.035 -0.000
z 0.000 -0.000 0.518
Polar
3z2-r21.037
x2-y25.034
xy-1.396
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> 76.326
(<r2>)1/2 8.736