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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-152.893737
Energy at 298.15K 
HF Energy-152.355457
Nuclear repulsion energy62.954593
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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2/cc-pVTZ
ABC
2.79654 0.33326 0.31503

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.971 -0.655 0.000
C2 0.000 0.500 0.000
O3 1.186 0.459 0.000
H4 -0.446 -1.609 0.000
H5 -1.607 -0.567 0.877
H6 -1.607 -0.567 -0.877

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.50892.42771.08901.08701.0870
C21.50891.18642.15592.11882.1188
O32.42771.18642.63493.10183.1018
H41.08902.15592.63491.78981.7898
H51.08702.11883.10181.78981.7544
H61.08702.11883.10181.78981.7544

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 128.100 C2 C1 H4 111.136
C2 C1 H5 108.319 C2 C1 H6 108.319
H4 C1 H5 110.673 H4 C1 H6 110.673
H5 C1 H6 107.604
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability