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

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-153.187516
Energy at 298.15K 
HF Energy-153.187516
Nuclear repulsion energy63.191646
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/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' 3147 3010 7.27      
2 A' 3049 2917 6.30      
3 A' 1965 1880 166.77      
4 A' 1459 1395 20.34      
5 A' 1356 1297 16.19      
6 A' 1060 1014 16.31      
7 A' 864 826 5.29      
8 A' 476 455 6.17      
9 A" 3153 3016 0.79      
10 A" 1457 1393 13.21      
11 A" 949 908 0.00      
12 A" 58i 55i 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 9438.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9029.0 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/aug-cc-pVTZ
ABC
2.84148 0.33445 0.31669

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.960 -0.668 0.000
C2 0.000 0.495 0.000
O3 1.173 0.479 0.000
H4 -0.425 -1.619 0.000
H5 -1.598 -0.588 0.879
H6 -1.598 -0.588 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.50822.42141.09151.08861.0886
C21.50821.17282.15682.12082.1208
O32.42141.17282.63693.09583.0958
H41.09152.15682.63691.79201.7920
H51.08862.12083.09581.79201.7573
H61.08862.12083.09581.79201.7573

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 128.719 C2 C1 H4 111.105
C2 C1 H5 108.426 C2 C1 H6 108.426
H4 C1 H5 110.568 H4 C1 H6 110.568
H5 C1 H6 107.639
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.482      
2 C 0.073      
3 O -0.396      
4 H 0.265      
5 H 0.270      
6 H 0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.150 -1.470 0.000 2.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.048 0.065 0.000
y 0.065 -18.767 0.000
z 0.000 0.000 -17.030
Traceless
 xyz
x -1.149 0.065 0.000
y 0.065 -0.728 0.000
z 0.000 0.000 1.878
Polar
3z2-r23.756
x2-y2-0.281
xy0.065
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.166 0.323 0.000
y 0.323 4.524 0.000
z 0.000 0.000 3.607


<r2> (average value of r2) Å2
<r2> 44.087
(<r2>)1/2 6.640