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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-191.249231
Energy at 298.15K-191.254094
HF Energy-191.249231
Nuclear repulsion energy112.242423
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 3107 4.12      
2 A' 3347 2997 2.12      
3 A' 3319 2972 8.47      
4 A' 3196 2861 6.15      
5 A' 1856 1662 155.61      
6 A' 1625 1455 14.54      
7 A' 1602 1434 22.74      
8 A' 1572 1407 32.21      
9 A' 1403 1256 95.33      
10 A' 1184 1060 7.62      
11 A' 1036 928 3.67      
12 A' 885 792 0.01      
13 A' 572 512 22.93      
14 A' 419 375 2.14      
15 A" 3258 2917 15.93      
16 A" 1634 1463 14.17      
17 A" 1163 1041 7.12      
18 A" 713 638 54.21      
19 A" 565 506 1.93      
20 A" 340 305 0.33      
21 A" 105 94 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16631.9 cm-1
Scaled (by 0.8953) Zero Point Vibrational Energy (zpe) 14890.5 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/6-31G
ABC
0.36543 0.30449 0.17130

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 0.146 0.000
O2 0.415 1.300 0.000
C3 -1.431 -0.123 0.000
C4 0.944 -1.026 0.000
H5 -2.111 0.704 0.000
H6 -1.815 -1.123 0.000
H7 1.963 -0.670 0.000
H8 0.783 -1.646 0.875
H9 0.783 -1.646 -0.875

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.22621.45661.50462.18372.21502.12552.14262.1426
O21.22622.33142.38472.59613.29342.50463.09503.0950
C31.45662.33142.54111.07041.07113.43802.82662.8266
C41.50462.38472.54113.51082.76101.07921.08471.0847
H52.18372.59611.07043.51081.85064.29933.82953.8295
H62.21503.29341.07112.76101.85063.80522.79122.7912
H72.12552.50463.43801.07924.29933.80521.76381.7638
H82.14263.09502.82661.08473.82952.79121.76381.7501
H92.14263.09502.82661.08473.82952.79121.76381.7501

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 118.782 C1 C3 H6 121.648
C1 C4 H7 109.594 C1 C4 H8 110.634
C1 C4 H9 110.634 O2 C1 C3 120.448
O2 C1 C4 121.344 C3 C1 C4 118.208
H5 C3 H6 119.570 H7 C4 H8 109.194
H7 C4 H9 109.194 H8 C4 H9 107.549
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 0.448      
2 O -0.551      
3 C -0.327      
4 C -0.536      
5 H 0.208      
6 H 0.184      
7 H 0.209      
8 H 0.182      
9 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.412 -3.430 0.000 3.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.597 -2.002 0.000
y -2.002 -28.143 -0.000
z 0.000 -0.000 -24.670
Traceless
 xyz
x 3.810 -2.002 0.000
y -2.002 -4.510 -0.000
z 0.000 -0.000 0.700
Polar
3z2-r21.400
x2-y25.546
xy-2.002
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> 76.755
(<r2>)1/2 8.761