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

using model chemistry: B3LYPultrafine/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/cc-pVTZ
 hartrees
Energy at 0K-153.242884
Energy at 298.15K-153.245156
HF Energy-153.242884
Nuclear repulsion energy63.058014
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/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 3004 9.14      
2 A' 3018 2917 9.38      
3 A' 1927 1863 149.55      
4 A' 1458 1410 20.99      
5 A' 1357 1312 13.43      
6 A' 1050 1015 15.06      
7 A' 850 822 5.78      
8 A' 469 454 5.18      
9 A" 3112 3009 1.44      
10 A" 1454 1406 11.19      
11 A" 955 923 0.01      
12 A" 112 108 0.98      

Unscaled Zero Point Vibrational Energy (zpe) 9434.9 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 9120.7 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/cc-pVTZ
ABC
2.83060 0.33322 0.31543

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.964 -0.663 0.000
C2 0.000 0.496 0.000
O3 1.179 0.474 0.000
H4 -0.435 -1.619 0.000
H5 -1.606 -0.582 0.877
H6 -1.606 -0.582 -0.877

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.50772.42621.09231.08991.0899
C21.50771.17932.15922.12352.1235
O32.42621.17932.64313.10473.1047
H41.09232.15922.64311.79321.7932
H51.08992.12353.10471.79321.7545
H61.08992.12353.10471.79321.7545

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 128.681 C2 C1 H4 111.286
C2 C1 H5 108.598 C2 C1 H6 108.598
H4 C1 H5 110.521 H4 C1 H6 110.521
H5 C1 H6 107.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.234      
2 C 0.047      
3 O -0.142      
4 H 0.100      
5 H 0.115      
6 H 0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.074 -1.365 0.000 2.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.022 -0.075 -0.005
y -0.075 -18.836 0.003
z -0.005 0.003 -17.097
Traceless
 xyz
x -1.056 -0.075 -0.005
y -0.075 -0.777 0.003
z -0.005 0.003 1.833
Polar
3z2-r23.665
x2-y2-0.186
xy-0.075
xz-0.005
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.716 0.482 0.001
y 0.482 4.019 -0.001
z 0.001 -0.001 3.175


<r2> (average value of r2) Å2
<r2> 44.235
(<r2>)1/2 6.651