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

using model chemistry: MP2=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-152.519526
Energy at 298.15K 
HF Energy-152.220934
Nuclear repulsion energy61.959237
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/6-31G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G
ABC
2.74756 0.32130 0.30408

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.988 -0.668 0.000
C2 0.000 0.504 0.000
O3 1.207 0.472 0.000
H4 -0.475 -1.639 0.000
H5 -1.628 -0.575 0.886
H6 -1.628 -0.575 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.53282.47361.09811.09671.0967
C21.53281.20782.19492.14442.1444
O32.47361.20782.69933.14943.1494
H41.09812.19492.69931.80151.8015
H51.09672.14443.14941.80151.7716
H61.09672.14443.14941.80151.7716

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 128.605 C2 C1 H4 112.028
C2 C1 H5 108.134 C2 C1 H6 108.134
H4 C1 H5 110.332 H4 C1 H6 110.332
H5 C1 H6 107.744
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability