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All results from a given calculation for CH3CO (Acetyl radical)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-153.226768
Energy at 298.15K-153.229028
HF Energy-153.226768
Nuclear repulsion energy62.936227
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 B3LYP/6-311G**
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' 845 817 5.54      
2 A' 467 452 5.13      
3 A" 3114 3011 2.57      
4 A" 1455 1406 13.79      
5 A" 952 920 0.00      
6 A" 109 106 1.25      
7 A' 3109 3005 10.68      
8 A' 3016 2916 10.80      
9 A' 1932 1868 150.88      
10 A' 1458 1409 21.56      
11 A' 1353 1308 15.85      
12 A' 1045 1010 14.62      

Unscaled Zero Point Vibrational Energy (zpe) 9427.7 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9114.7 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 B3LYP/6-311G**
ABC
2.80127 0.33228 0.31432

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.965 -0.666 0.000
C2 0.000 0.500 0.000
O3 1.180 0.474 0.000
H4 -0.431 -1.622 0.000
H5 -1.608 -0.587 0.880
H6 -1.608 -0.587 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51432.42931.09461.09221.0922
C21.51431.18002.16542.13112.1311
O32.42931.18002.64333.10973.1097
H41.09462.16542.64331.79711.7971
H51.09222.13113.10971.79711.7592
H61.09222.13113.10971.79711.7592

picture of Acetyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 128.325 C2 C1 H4 111.182
C2 C1 H5 108.606 C2 C1 H6 108.606
H4 C1 H5 110.526 H4 C1 H6 110.526
H5 C1 H6 107.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 C 0.111      
3 O -0.206      
4 H 0.128      
5 H 0.140      
6 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.026 -1.322 0.000 2.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.998 -0.145 0.000
y -0.145 -18.791 0.000
z 0.000 0.000 -16.996
Traceless
 xyz
x -1.104 -0.145 0.000
y -0.145 -0.794 0.000
z 0.000 0.000 1.898
Polar
3z2-r23.797
x2-y2-0.207
xy-0.145
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.445 0.467 0.000
y 0.467 3.644 0.000
z 0.000 0.000 2.858


<r2> (average value of r2) Å2
<r2> 44.318
(<r2>)1/2 6.657