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

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-189.815487
Energy at 298.15K-189.819906
HF Energy-189.815487
Nuclear repulsion energy109.596706
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 PBE1PBE/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' 3606 3181 0.86      
2 A' 3546 3128 0.14      
3 A' 3430 3025 11.46      
4 A' 3356 2960 0.22      
5 A' 1680 1482 5.17      
6 A' 1601 1412 9.29      
7 A' 1553 1370 6.59      
8 A' 1458 1287 31.86      
9 A' 1265 1116 5.76      
10 A' 1073 947 2.16      
11 A' 988 871 8.15      
12 A' 875 772 1.54      
13 A' 490 432 5.84      
14 A' 385 340 1.25      
15 A" 3524 3109 0.03      
16 A" 1679 1481 5.89      
17 A" 1106 976 4.81      
18 A" 735 648 18.19      
19 A" 503 444 0.45      
20 A" 461 407 2.23      
21 A" 64 57 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16688.9 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 14721.3 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 PBE1PBE/STO-3G
ABC
0.34471 0.29508 0.16391

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.144 0.000
O2 0.663 1.264 0.000
C3 -1.427 0.123 0.000
C4 0.744 -1.218 0.000
H5 -1.993 1.061 0.000
H6 -1.991 -0.816 0.000
H7 1.827 -1.048 0.000
H8 0.476 -1.804 0.890
H9 0.476 -1.804 -0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.30151.42741.55202.19392.20992.18172.19432.1943
O21.30152.38142.48342.66393.37152.58863.20033.2003
C31.42742.38142.55201.09521.09493.45892.85152.8515
C41.55202.48342.55203.56152.76391.09681.09851.0985
H52.19392.66391.09523.56151.87674.36383.88593.8859
H62.20993.37151.09492.76391.87673.82502.80272.8027
H72.18172.58863.45891.09684.36383.82501.78571.7857
H82.19433.20032.85151.09853.88592.80271.78571.7791
H92.19433.20032.85151.09853.88592.80271.78571.7791

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 120.267 C1 C3 H6 121.802
C1 C4 H7 109.713 C1 C4 H8 110.600
C1 C4 H9 110.600 O2 C1 C3 121.464
O2 C1 C4 120.737 C3 C1 C4 117.799
H5 C3 H6 117.931 H7 C4 H8 108.863
H7 C4 H9 108.863 H8 C4 H9 108.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.102      
2 O -0.156      
3 C -0.139      
4 C -0.254      
5 H 0.094      
6 H 0.088      
7 H 0.091      
8 H 0.087      
9 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.079 -1.386 0.000 1.756
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.408 -1.213 0.000
y -1.213 -23.326 0.000
z 0.000 0.000 -22.214
Traceless
 xyz
x 1.362 -1.213 0.000
y -1.213 -1.514 0.000
z 0.000 0.000 0.153
Polar
3z2-r20.305
x2-y21.918
xy-1.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.584 0.267 0.000
y 0.267 3.099 0.000
z 0.000 0.000 1.371


<r2> (average value of r2) Å2
<r2> 77.609
(<r2>)1/2 8.810