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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-153.024074
Energy at 298.15K-153.026326
HF Energy-152.880821
Nuclear repulsion energy62.644252
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/6-31G*
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' 3176 3012 8.70      
2 A' 3082 2923 5.40      
3 A' 1910 1811 95.41      
4 A' 1510 1432 18.26      
5 A' 1404 1332 10.71      
6 A' 1076 1020 15.38      
7 A' 875 830 4.42      
8 A' 466 442 5.33      
9 A" 3179 3015 2.90      
10 A" 1508 1430 11.15      
11 A" 978 928 0.05      
12 A" 100 95 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 9631.7 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 9134.7 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/6-31G*
ABC
2.75473 0.33067 0.31233

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.971 -0.666 0.000
C2 0.000 0.501 0.000
O3 1.186 0.473 0.000
H4 -0.444 -1.626 0.000
H5 -1.611 -0.587 0.881
H6 -1.611 -0.587 -0.881

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51802.43931.09511.09201.0920
C21.51801.18662.17272.13432.1343
O32.43931.18662.65753.11853.1185
H41.09512.17272.65751.79401.7940
H51.09202.13433.11851.79401.7622
H61.09202.13433.11851.79401.7622

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 128.404 C2 C1 H4 111.474
C2 C1 H5 108.619 C2 C1 H6 108.619
H4 C1 H5 110.221 H4 C1 H6 110.221
H5 C1 H6 107.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability