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

using model chemistry: MP2=FULL/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=FULL/cc-pVTZ
 hartrees
Energy at 0K-152.935944
Energy at 298.15K 
HF Energy-152.355866
Nuclear repulsion energy63.185084
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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
ABC
2.83166 0.33545 0.31730

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.968 -0.651 0.000
C2 0.000 0.495 0.000
O3 1.183 0.458 0.000
H4 -0.448 -1.604 0.000
H5 -1.602 -0.562 0.874
H6 -1.602 -0.562 -0.874

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.50022.41991.08551.08351.0835
C21.50021.18322.14592.10882.1088
O32.41991.18322.62853.09173.0917
H41.08552.14592.62851.78411.7841
H51.08352.10883.09171.78411.7480
H61.08352.10883.09171.78411.7480

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 128.403 C2 C1 H4 111.167
C2 C1 H5 108.333 C2 C1 H6 108.333
H4 C1 H5 110.676 H4 C1 H6 110.676
H5 C1 H6 107.535
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability