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

using model chemistry: MP2=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-150.472672
Energy at 298.15K 
HF Energy-150.317427
Nuclear repulsion energy61.577626
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=FULL/STO-3G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.972 -0.678 0.000
C2 0.000 0.635 0.000
O3 1.179 0.387 0.000
H4 -0.395 -1.612 0.000
H5 -1.601 -0.614 0.892
H6 -1.601 -0.614 -0.892

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.63352.40051.09791.09271.0927
C21.63351.20482.28092.21762.2176
O32.40051.20482.54413.08633.0863
H41.09792.28092.54411.80121.8012
H51.09272.21763.08631.80121.7830
H61.09272.21763.08631.80121.7830

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 114.666 C2 C1 H4 111.743
C2 C1 H5 107.193 C2 C1 H6 107.193
H4 C1 H5 110.617 H4 C1 H6 110.617
H5 C1 H6 109.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability