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

using model chemistry: CCSD(T)/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD(T)/6-31+G**
 hartrees
Energy at 0K-152.783558
Energy at 298.15K 
HF Energy-152.306231
Nuclear repulsion energy62.522655
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 CCSD(T)/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-31+G**
ABC
2.74901 0.32914 0.31097

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.982 -0.653 0.000
C2 0.000 0.506 0.000
O3 1.197 0.454 0.000
H4 -0.449 -1.607 0.000
H5 -1.617 -0.569 0.882
H6 -1.617 -0.569 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51912.44371.09271.09071.0907
C21.51911.19782.16022.13302.1330
O32.44371.19782.63743.12143.1214
H41.09272.16022.63741.79491.7949
H51.09072.13303.12141.79491.7649
H61.09072.13303.12141.79491.7649

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 127.783 C2 C1 H4 110.539
C2 C1 H5 108.520 C2 C1 H6 108.520
H4 C1 H5 110.582 H4 C1 H6 110.582
H5 C1 H6 108.018
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability