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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-153.045062
Energy at 298.15K-153.047313
HF Energy-152.893621
Nuclear repulsion energy62.716669
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 B2PLYP=FULL/6-31+G**
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' 3175 3020 7.55      
2 A' 3074 2923 6.74      
3 A' 1895 1802 132.52      
4 A' 1486 1413 22.89      
5 A' 1386 1318 14.29      
6 A' 1067 1015 16.10      
7 A' 877 834 4.46      
8 A' 471 448 5.89      
9 A" 3181 3025 1.06      
10 A" 1483 1411 14.77      
11 A" 970 923 0.15      
12 A" 95 90 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 9579.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 9110.1 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 B2PLYP=FULL/6-31+G**
ABC
2.78675 0.33071 0.31273

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.971 -0.666 0.000
C2 0.000 0.496 0.000
O3 1.185 0.476 0.000
H4 -0.441 -1.622 0.000
H5 -1.609 -0.583 0.880
H6 -1.609 -0.583 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51402.43971.09381.09011.0901
C21.51401.18572.16392.12762.1276
O32.43971.18572.65463.11483.1148
H41.09382.16392.65461.79411.7941
H51.09012.12763.11481.79411.7607
H61.09012.12763.11481.79411.7607

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 128.897 C2 C1 H4 111.130
C2 C1 H5 108.475 C2 C1 H6 108.475
H4 C1 H5 110.469 H4 C1 H6 110.469
H5 C1 H6 107.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability