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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-152.813066
Energy at 298.15K 
HF Energy-152.350762
Nuclear repulsion energy62.931796
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/TZVP
Rotational Constants (cm-1) from geometry optimized at MP2/TZVP
ABC
2.78452 0.33334 0.31504

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.971 -0.655 0.000
C2 0.000 0.501 0.000
O3 1.186 0.458 0.000
H4 -0.445 -1.610 0.000
H5 -1.607 -0.568 0.879
H6 -1.607 -0.568 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.50972.42711.09051.08831.0883
C21.50971.18652.15742.12092.1209
O32.42711.18652.63343.10233.1023
H41.09052.15742.63341.79111.7911
H51.08832.12093.10231.79111.7584
H61.08832.12093.10231.79111.7584

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 127.953 C2 C1 H4 111.105
C2 C1 H5 108.350 C2 C1 H6 108.350
H4 C1 H5 110.576 H4 C1 H6 110.576
H5 C1 H6 107.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability