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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-188.933443
Energy at 298.15K 
HF Energy-188.933443
Nuclear repulsion energy109.467378
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 HF/STO-3G
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' 3815 3115 0.88      
2 A' 3758 3068 0.00      
3 A' 3642 2974 5.52      
4 A' 3564 2910 0.12      
5 A' 1820 1486 2.30      
6 A' 1719 1404 0.88      
7 A' 1717 1402 0.41      
8 A' 1519 1241 24.60      
9 A' 1436 1172 4.94      
10 A' 1130 922 3.95      
11 A' 1105 902 0.25      
12 A' 928 757 0.18      
13 A' 502 410 7.92      
14 A' 405 331 0.10      
15 A" 3738 3052 0.27      
16 A" 1816 1483 3.19      
17 A" 1209 987 1.69      
18 A" 741 605 12.69      
19 A" 583 476 0.10      
20 A" 469 383 0.00      
21 A" 11i 9i 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 17802.6 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 14535.8 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 HF/STO-3G
ABC
0.34466 0.29413 0.16350

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.116 0.000
O2 0.880 1.130 0.000
C3 -1.386 0.381 0.000
C4 0.528 -1.326 0.000
H5 -1.753 1.399 0.000
H6 -2.113 -0.420 0.000
H7 1.613 -1.322 0.000
H8 0.182 -1.863 0.880
H9 0.182 -1.863 -0.880

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.34281.41151.53622.17212.18002.16132.17382.1738
O21.34282.38752.48202.64723.37102.55983.19723.1972
C31.41152.38752.56471.08181.08143.44922.87592.8759
C41.53622.48202.56473.55352.79161.08541.08691.0869
H52.17212.64721.08183.55351.85404.32833.89353.8935
H62.18003.37101.08142.79161.85403.83352.85042.8504
H72.16132.55983.44921.08544.32833.83351.76431.7643
H82.17383.19722.87591.08693.89352.85041.76431.7598
H92.17383.19722.87591.08693.89352.85041.76431.7598

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 120.617 C1 C3 H6 121.408
C1 C4 H7 109.868 C1 C4 H8 110.776
C1 C4 H9 110.776 O2 C1 C3 120.165
O2 C1 C4 118.956 C3 C1 C4 120.880
H5 C3 H6 117.974 H7 C4 H8 108.622
H7 C4 H9 108.622 H8 C4 H9 108.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.113      
2 O -0.143      
3 C -0.120      
4 C -0.199      
5 H 0.072      
6 H 0.066      
7 H 0.074      
8 H 0.069      
9 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.005 -1.095 0.000 1.486
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.635 -1.344 0.000
y -1.344 -23.329 0.000
z 0.000 0.000 -22.322
Traceless
 xyz
x 0.191 -1.344 0.000
y -1.344 -0.851 0.000
z 0.000 0.000 0.660
Polar
3z2-r21.320
x2-y20.694
xy-1.344
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.050 0.037 0.000
y 0.037 2.721 0.000
z 0.000 0.000 1.331


<r2> (average value of r2) Å2
<r2> 77.927
(<r2>)1/2 8.828