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

using model chemistry: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-153.242062
Energy at 298.15K-153.244332
HF Energy-153.242062
Nuclear repulsion energy63.097766
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/6-311+G(3df,2p)
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' 852 824 5.84      
2 A' 470 455 5.77      
3 A" 3111 3008 0.78      
4 A" 1454 1406 12.49      
5 A" 955 924 0.03      
6 A" 112 108 0.73      
7 A' 3105 3003 8.33      
8 A' 3014 2915 8.45      
9 A' 1929 1865 162.58      
10 A' 1460 1412 23.03      
11 A' 1358 1313 14.04      
12 A' 1050 1015 15.85      

Unscaled Zero Point Vibrational Energy (zpe) 9434.2 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 9122.8 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/6-311+G(3df,2p)
ABC
2.85171 0.33295 0.31544

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.963 -0.667 0.000
C2 0.000 0.493 0.000
O3 1.177 0.479 0.000
H4 -0.434 -1.622 0.000
H5 -1.604 -0.584 0.877
H6 -1.604 -0.584 -0.877

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.50682.42741.09221.08981.0898
C21.50681.17732.15882.12192.1219
O32.42741.17732.64793.10433.1043
H41.09222.15882.64791.79331.7933
H51.08982.12193.10431.79331.7544
H61.08982.12193.10431.79331.7544

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 129.061 C2 C1 H4 111.325
C2 C1 H5 108.545 C2 C1 H6 108.545
H4 C1 H5 110.546 H4 C1 H6 110.546
H5 C1 H6 107.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.302      
2 C 0.233      
3 O -0.451      
4 H 0.162      
5 H 0.179      
6 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.150 -1.459 0.000 2.599
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.340 0.070 0.000
y 0.070 -19.033 0.000
z 0.000 0.000 -17.261
Traceless
 xyz
x -1.194 0.070 0.000
y 0.070 -0.732 0.000
z 0.000 0.000 1.926
Polar
3z2-r23.852
x2-y2-0.307
xy0.070
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.220 0.388 0.000
y 0.388 4.585 0.000
z 0.000 0.000 3.591


<r2> (average value of r2) Å2
<r2> 44.377
(<r2>)1/2 6.662