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

using model chemistry: B3LYP/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-153.204327
Energy at 298.15K-153.206593
HF Energy-153.204327
Nuclear repulsion energy62.749836
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/aug-cc-pVDZ
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' 862 837 4.35      
2 A' 464 450 5.70      
3 A" 3125 3032 0.93      
4 A" 1420 1378 11.88      
5 A" 938 910 0.03      
6 A" 115 112 0.73      
7 A' 3119 3026 9.19      
8 A' 3018 2929 8.73      
9 A' 1908 1852 159.80      
10 A' 1424 1381 22.80      
11 A' 1326 1287 13.64      
12 A' 1035 1004 15.38      

Unscaled Zero Point Vibrational Energy (zpe) 9376.3 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 9098.8 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 B3LYP/aug-cc-pVDZ
ABC
2.80027 0.33042 0.31284

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.970 -0.663 0.000
C2 0.000 0.496 0.000
O3 1.186 0.473 0.000
H4 -0.439 -1.628 0.000
H5 -1.615 -0.575 0.884
H6 -1.615 -0.575 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51102.43661.10091.09841.0984
C21.51101.18622.16822.13002.1300
O32.43661.18622.65563.11863.1186
H41.10092.16822.65561.80921.8092
H51.09842.13003.11861.80921.7688
H61.09842.13003.11861.80921.7688

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 128.812 C2 C1 H4 111.260
C2 C1 H5 108.395 C2 C1 H6 108.395
H4 C1 H5 110.701 H4 C1 H6 110.701
H5 C1 H6 107.258
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.801      
2 C 0.019      
3 O -0.304      
4 H -0.237      
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
  -2.177 -1.446 0.000 2.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.439 0.049 0.000
y 0.049 -19.138 0.000
z 0.000 0.000 -17.293
Traceless
 xyz
x -1.224 0.049 0.000
y 0.049 -0.772 0.000
z 0.000 0.000 1.996
Polar
3z2-r23.992
x2-y2-0.301
xy0.049
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.353 0.379 0.000
y 0.379 4.709 0.000
z 0.000 0.000 3.642


<r2> (average value of r2) Å2
<r2> 44.710
(<r2>)1/2 6.687