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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-152.528691
Energy at 298.15K 
HF Energy-152.245799
Nuclear repulsion energy61.522958
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/LANL2DZ
Rotational Constants (cm-1) from geometry optimized at MP2/LANL2DZ
ABC
2.68831 0.31667 0.29940

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.993 -0.682 0.000
C2 0.000 0.512 0.000
O3 1.212 0.480 0.000
H4 -0.474 -1.656 0.000
H5 -1.633 -0.581 0.891
H6 -1.633 -0.581 -0.891

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.55352.49271.10301.10181.1018
C21.55351.21282.21942.15812.1581
O32.49271.21282.72113.16493.1649
H41.10302.21942.72111.81451.8145
H51.10182.15813.16491.81451.7818
H61.10182.15813.16491.81451.7818

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 128.183 C2 C1 H4 112.215
C2 C1 H5 107.506 C2 C1 H6 107.506
H4 C1 H5 110.759 H4 C1 H6 110.759
H5 C1 H6 107.912
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability