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

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-153.169140
Energy at 298.15K-153.171236
HF Energy-153.169140
Nuclear repulsion energy63.074749
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 wB97X-D/6-311G**
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' 3145 3008 8.91      
2 A' 3044 2912 7.73      
3 A' 1978 1892 159.94      
4 A' 1458 1395 20.48      
5 A' 1355 1296 18.35      
6 A' 1054 1008 15.67      
7 A' 862 824 5.00      
8 A' 474 453 5.87      
9 A" 3151 3014 2.20      
10 A" 1458 1395 15.21      
11 A" 947 906 0.01      
12 A" 16 16 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 9471.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 9059.4 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 wB97X-D/6-311G**
ABC
2.79997 0.33411 0.31597

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.961 -0.668 0.000
C2 0.000 0.500 0.000
O3 1.174 0.476 0.000
H4 -0.424 -1.621 0.000
H5 -1.601 -0.589 0.881
H6 -1.601 -0.589 -0.881

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51252.42211.09441.09131.0913
C21.51251.17432.16322.12722.1272
O32.42211.17432.63623.09983.0998
H41.09442.16322.63621.79611.7961
H51.09132.12723.09981.79611.7617
H61.09132.12723.09981.79611.7617

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 128.262 C2 C1 H4 111.134
C2 C1 H5 108.471 C2 C1 H6 108.471
H4 C1 H5 110.512 H4 C1 H6 110.512
H5 C1 H6 107.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability