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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-152.684435
Energy at 298.15K-152.686695
HF Energy-152.297351
Nuclear repulsion energy62.987544
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3244 2997 6.98      
2 A' 3147 2907 3.61      
3 A' 2066 1908 159.71      
4 A' 1543 1426 17.82      
5 A' 1448 1338 12.13      
6 A' 1111 1026 17.46      
7 A' 912 842 2.37      
8 A' 486 448 6.76      
9 A" 3245 2998 2.98      
10 A" 1543 1425 12.10      
11 A" 1009 932 0.01      
12 A" 82 75 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 9917.3 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 9160.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-31G*
ABC
2.81001 0.33268 0.31481

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.967 -0.663 0.000
C2 0.000 0.500 0.000
O3 1.180 0.471 0.000
H4 -0.430 -1.612 0.000
H5 -1.605 -0.589 0.880
H6 -1.605 -0.589 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51272.42851.09051.08941.0894
C21.51271.18062.15582.12982.1298
O32.42851.18062.63343.10733.1073
H41.09052.15582.63341.78931.7893
H51.08942.12983.10731.78931.7602
H61.08942.12983.10731.78931.7602

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 128.335 C2 C1 H4 110.774
C2 C1 H5 108.778 C2 C1 H6 108.778
H4 C1 H5 110.331 H4 C1 H6 110.331
H5 C1 H6 107.774
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability