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

using model chemistry: B97D3/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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-153.150742
Energy at 298.15K-153.152965
HF Energy-153.150742
Nuclear repulsion energy62.734695
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 B97D3/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' 3059 3013 11.09      
2 A' 2964 2918 12.35      
3 A' 1850 1821 147.36      
4 A' 1426 1405 22.71      
5 A' 1320 1300 13.18      
6 A' 1024 1008 15.47      
7 A' 820 807 7.80      
8 A' 458 451 4.79      
9 A" 3066 3019 1.46      
10 A" 1420 1399 10.96      
11 A" 929 915 0.02      
12 A" 103 101 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 9219.5 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 9078.4 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 B97D3/aug-cc-pVTZ
ABC
2.80077 0.33014 0.31242

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.971 -0.663 0.000
C2 0.000 0.497 0.000
O3 1.188 0.471 0.000
H4 -0.447 -1.627 0.000
H5 -1.615 -0.575 0.880
H6 -1.615 -0.575 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51272.43781.09691.09441.0944
C21.51271.18782.17062.12932.1293
O32.43781.18782.65923.11843.1184
H41.09692.17062.65921.80151.8015
H51.09442.12933.11841.80151.7601
H61.09442.12933.11841.80151.7601

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 128.636 C2 C1 H4 111.569
C2 C1 H5 108.451 C2 C1 H6 108.451
H4 C1 H5 110.587 H4 C1 H6 110.587
H5 C1 H6 107.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.169      
2 C -0.044      
3 O -0.313      
4 H 0.162      
5 H 0.182      
6 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.076 -1.397 0.000 2.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.158 0.069 0.000
y 0.069 -18.997 0.000
z 0.000 0.000 -17.193
Traceless
 xyz
x -1.063 0.069 0.000
y 0.069 -0.822 0.000
z 0.000 0.000 1.885
Polar
3z2-r23.769
x2-y2-0.161
xy0.069
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.510 0.451 0.000
y 0.451 4.980 0.000
z 0.000 0.000 3.768


<r2> (average value of r2) Å2
<r2> 44.626
(<r2>)1/2 6.680