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

using model chemistry: MP2=FULL/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-152.752139
Energy at 298.15K 
HF Energy-152.309614
Nuclear repulsion energy62.484426
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-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVDZ
ABC
2.72689 0.32930 0.31103

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.976 -0.659 0.000
C2 0.000 0.507 0.000
O3 1.193 0.460 0.000
H4 -0.444 -1.624 0.000
H5 -1.620 -0.573 0.887
H6 -1.620 -0.573 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.52072.44071.10171.09981.0998
C21.52071.19372.17672.13982.1398
O32.44071.19372.65013.12533.1253
H41.10172.17672.65011.80951.8095
H51.09982.13983.12531.80951.7748
H61.09982.13983.12531.80951.7748

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 127.685 C2 C1 H4 111.196
C2 C1 H5 108.414 C2 C1 H6 108.414
H4 C1 H5 110.562 H4 C1 H6 110.562
H5 C1 H6 107.580
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability