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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-153.146523
Energy at 298.15K-153.148742
HF Energy-153.146523
Nuclear repulsion energy62.765115
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 B97D3/6-311+G(3df,2p)
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' 3055 3016 10.90      
2 A' 2959 2921 11.42      
3 A' 1860 1836 148.29      
4 A' 1429 1410 23.16      
5 A' 1321 1303 13.02      
6 A' 1022 1009 15.85      
7 A' 819 808 7.82      
8 A' 458 452 5.04      
9 A" 3062 3022 1.67      
10 A" 1421 1403 11.18      
11 A" 926 914 0.03      
12 A" 103 101 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 9216.9 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 9097.1 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 B97D3/6-311+G(3df,2p)
ABC
2.80311 0.33034 0.31262

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.969 -0.665 0.000
C2 0.000 0.498 0.000
O3 1.186 0.473 0.000
H4 -0.444 -1.628 0.000
H5 -1.614 -0.578 0.880
H6 -1.614 -0.578 -0.880

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.51322.43681.09691.09441.0944
C21.51321.18612.17142.12992.1299
O32.43681.18612.65933.11743.1174
H41.09692.17142.65931.80111.8011
H51.09442.12993.11741.80111.7601
H61.09442.12993.11741.80111.7601

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 128.855 C2 C1 H4 111.367
C2 C1 H5 108.531 C2 C1 H6 108.531
H4 C1 H5 110.464 H4 C1 H6 110.464
H5 C1 H6 107.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 C 0.216      
3 O -0.447      
4 H 0.139      
5 H 0.154      
6 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.078 -1.414 0.000 2.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.168 0.080 0.000
y 0.080 -18.961 0.000
z 0.000 0.000 -17.198
Traceless
 xyz
x -1.088 0.080 0.000
y 0.080 -0.778 0.000
z 0.000 0.000 1.867
Polar
3z2-r23.733
x2-y2-0.207
xy0.080
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.426 0.475 0.000
y 0.475 4.797 0.000
z 0.000 0.000 3.691


<r2> (average value of r2) Å2
<r2> 44.604
(<r2>)1/2 6.679