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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-152.734306
Energy at 298.15K 
HF Energy-152.300678
Nuclear repulsion energy62.661908
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 MP2/6-31G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G**
ABC
2.73993 0.33159 0.31286

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.979 -0.647 0.000
C2 0.000 0.508 0.000
O3 1.196 0.445 0.000
H4 -0.459 -1.604 0.000
H5 -1.615 -0.561 0.878
H6 -1.615 -0.561 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51442.43371.08891.08781.0878
C21.51441.19722.16092.12702.1270
O32.43371.19722.63333.11223.1122
H41.08892.16092.63331.78771.7877
H51.08782.12703.11221.78771.7562
H61.08782.12703.11221.78771.7562

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 127.275 C2 C1 H4 111.158
C2 C1 H5 108.533 C2 C1 H6 108.533
H4 C1 H5 110.432 H4 C1 H6 110.432
H5 C1 H6 107.653
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability