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

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-153.036243
Energy at 298.15K-153.038482
HF Energy-153.036243
Nuclear repulsion energy62.600763
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 PBEPBE/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' 3048 3016 12.62      
2 A' 2948 2917 16.35      
3 A' 1868 1849 136.07      
4 A' 1425 1411 25.64      
5 A' 1314 1301 20.48      
6 A' 1018 1008 13.46      
7 A' 841 833 5.86      
8 A' 453 448 3.93      
9 A" 3057 3025 2.31      
10 A" 1415 1401 15.44      
11 A" 923 913 0.06      
12 A" 118 117 2.07      

Unscaled Zero Point Vibrational Energy (zpe) 9214.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 9119.0 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 PBEPBE/6-311G*
ABC
2.77107 0.32981 0.31186

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.972 -0.658 0.000
C2 0.000 0.500 0.000
O3 1.191 0.466 0.000
H4 -0.450 -1.630 0.000
H5 -1.624 -0.575 0.883
H6 -1.624 -0.575 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51182.43711.10371.10061.1006
C21.51181.19142.17762.13792.1379
O32.43711.19142.66193.12773.1277
H41.10372.17762.66191.80901.8090
H51.10062.13793.12771.80901.7658
H61.10062.13793.12771.80901.7658

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 128.339 C2 C1 H4 111.778
C2 C1 H5 108.819 C2 C1 H6 108.819
H4 C1 H5 110.299 H4 C1 H6 110.299
H5 C1 H6 106.675
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.707      
2 C 0.159      
3 O -0.181      
4 H 0.229      
5 H 0.250      
6 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.924 -1.290 0.000 2.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.816 -0.079 0.000
y -0.079 -18.889 0.000
z 0.000 0.000 -17.053
Traceless
 xyz
x -0.845 -0.079 0.000
y -0.079 -0.955 0.000
z 0.000 0.000 1.800
Polar
3z2-r23.599
x2-y20.073
xy-0.079
xz0.000
yz0.000


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