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

using model chemistry: BLYP/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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-153.158613
Energy at 298.15K 
HF Energy-153.158613
Nuclear repulsion energy62.218626
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/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at BLYP/aug-cc-pVDZ
ABC
2.74050 0.32553 0.30791

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.980 -0.664 0.000
C2 0.000 0.502 0.000
O3 1.199 0.469 0.000
H4 -0.451 -1.638 0.000
H5 -1.630 -0.571 0.889
H6 -1.630 -0.571 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.52242.45501.10881.10551.1055
C21.52241.19912.18732.14452.1445
O32.45501.19912.67643.14213.1421
H41.10882.18732.67641.82171.8217
H51.10552.14453.14211.82171.7786
H61.10552.14453.14211.82171.7786

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 128.477 C2 C1 H4 111.496
C2 C1 H5 108.335 C2 C1 H6 108.335
H4 C1 H5 110.708 H4 C1 H6 110.708
H5 C1 H6 107.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.960      
2 C 0.008      
3 O -0.268      
4 H -0.302      
5 H -0.199      
6 H -0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.077 -1.419 0.000 2.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.558 0.111 0.000
y 0.111 -19.448 0.000
z 0.000 0.000 -17.516
Traceless
 xyz
x -1.077 0.111 0.000
y 0.111 -0.911 0.000
z 0.000 0.000 1.987
Polar
3z2-r23.974
x2-y2-0.111
xy0.111
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.723 0.453 0.000
y 0.453 5.180 0.000
z 0.000 0.000 3.844


<r2> (average value of r2) Å2
<r2> 45.365
(<r2>)1/2 6.735