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

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-152.299097
Energy at 298.15K-152.301387
Nuclear repulsion energy62.418307
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 LSDA/6-31G
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' 3073 3011 9.60      
2 A' 2963 2903 8.36      
3 A' 1828 1791 105.34      
4 A' 1434 1405 33.54      
5 A' 1353 1325 39.18      
6 A' 1055 1033 17.09      
7 A' 914 895 3.79      
8 A' 447 438 4.23      
9 A" 3086 3024 0.03      
10 A" 1428 1399 23.97      
11 A" 948 929 1.91      
12 A" 132 130 4.18      

Unscaled Zero Point Vibrational Energy (zpe) 9330.4 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 9141.0 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 LSDA/6-31G
ABC
2.82965 0.32809 0.31106

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.985 -0.626 0.000
C2 0.000 0.482 0.000
O3 1.213 0.442 0.000
H4 -0.509 -1.625 0.000
H5 -1.641 -0.526 0.883
H6 -1.641 -0.526 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.48232.44361.10711.10421.1042
C21.48231.21332.16732.11822.1182
O32.44361.21332.68993.13983.1398
H41.10712.16732.68991.80811.8081
H51.10422.11823.13981.80811.7662
H61.10422.11823.13981.80811.7662

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 129.784 C2 C1 H4 112.842
C2 C1 H5 109.086 C2 C1 H6 109.086
H4 C1 H5 109.696 H4 C1 H6 109.696
H5 C1 H6 106.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.613      
2 C 0.253      
3 O -0.292      
4 H 0.201      
5 H 0.225      
6 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.411 -1.507 0.000 2.843
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.921 -0.063 0.000
y -0.063 -18.600 0.000
z 0.000 0.000 -16.747
Traceless
 xyz
x -1.248 -0.063 0.000
y -0.063 -0.766 0.000
z 0.000 0.000 2.014
Polar
3z2-r24.028
x2-y2-0.321
xy-0.063
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.355 0.478 0.000
y 0.478 3.175 0.000
z 0.000 0.000 2.563


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000