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

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-153.198422
Energy at 298.15K 
HF Energy-153.198422
Nuclear repulsion energy62.527718
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 BLYP/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at BLYP/cc-pVTZ
ABC
2.76902 0.32831 0.31046

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.974 -0.664 0.000
C2 0.000 0.502 0.000
O3 1.191 0.470 0.000
H4 -0.447 -1.630 0.000
H5 -1.620 -0.579 0.882
H6 -1.620 -0.579 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51982.44451.09961.09651.0965
C21.51981.19182.17832.13812.1381
O32.44451.19182.66333.12763.1276
H41.09962.17832.66331.80471.8047
H51.09652.13813.12761.80471.7637
H61.09652.13813.12761.80471.7637

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 128.302 C2 C1 H4 111.521
C2 C1 H5 108.532 C2 C1 H6 108.532
H4 C1 H5 110.526 H4 C1 H6 110.526
H5 C1 H6 107.066
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 C 0.036      
3 O -0.125      
4 H 0.090      
5 H 0.109      
6 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.962 -1.326 0.000 2.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.066 -0.028 0.000
y -0.028 -19.053 0.000
z 0.000 0.000 -17.265
Traceless
 xyz
x -0.907 -0.028 0.000
y -0.028 -0.888 0.000
z 0.000 0.000 1.794
Polar
3z2-r23.589
x2-y2-0.013
xy-0.028
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.927 0.570 0.000
y 0.570 4.267 0.000
z 0.000 0.000 3.274


<r2> (average value of r2) Å2
<r2> 44.837
(<r2>)1/2 6.696