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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-153.245883
Energy at 298.15K-153.248160
HF Energy-153.245883
Nuclear repulsion energy63.070595
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 B3LYPultrafine/aug-cc-pVTZ
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' 3107 3006 8.44      
2 A' 3017 2919 9.16      
3 A' 1919 1857 162.28      
4 A' 1457 1410 22.66      
5 A' 1358 1313 13.80      
6 A' 1051 1017 15.55      
7 A' 853 825 5.73      
8 A' 470 455 5.54      
9 A" 3113 3011 0.75      
10 A" 1453 1406 12.20      
11 A" 958 927 0.03      
12 A" 114 110 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 9434.3 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 9127.7 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 B3LYPultrafine/aug-cc-pVTZ
ABC
2.85021 0.33275 0.31525

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.962 -0.670 0.000
C2 0.000 0.494 0.000
O3 1.176 0.482 0.000
H4 -0.427 -1.622 0.000
H5 -1.601 -0.591 0.878
H6 -1.601 -0.591 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51022.42861.09251.08921.0892
C21.51021.17562.15902.12422.1242
O32.42861.17562.64563.10393.1039
H41.09252.15902.64561.79301.7930
H51.08922.12423.10391.79301.7569
H61.08922.12423.10391.79301.7569

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 129.024 C2 C1 H4 111.088
C2 C1 H5 108.529 C2 C1 H6 108.529
H4 C1 H5 110.538 H4 C1 H6 110.538
H5 C1 H6 107.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability