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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-153.085961
Energy at 298.15K-153.088177
HF Energy-153.085961
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3075 3015 13.80      
2 A' 2980 2921 10.36      
3 A' 1866 1829 112.13      
4 A' 1459 1431 19.55      
5 A' 1347 1321 10.82      
6 A' 1034 1014 16.12      
7 A' 822 806 6.98      
8 A' 454 445 4.78      
9 A" 3080 3020 4.83      
10 A" 1455 1426 10.61      
11 A" 937 918 0.21      
12 A" 107 104 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 9307.0 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 9124.6 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 B97D3/6-31G*
ABC
2.71481 0.32793 0.30951

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.978 -0.658 0.000
C2 0.000 0.510 0.000
O3 1.197 0.459 0.000
H4 -0.456 -1.628 0.000
H5 -1.626 -0.575 0.884
H6 -1.626 -0.575 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6
C11.52362.44491.10141.09961.0996
C21.52361.19802.18622.14562.1456
O32.44491.19802.66203.13373.1337
H41.10142.18622.66201.80581.8058
H51.09962.14563.13371.80581.7683
H61.09962.14563.13371.80581.7683

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 128.103 C2 C1 H4 111.772
C2 C1 H5 108.676 C2 C1 H6 108.676
H4 C1 H5 110.160 H4 C1 H6 110.160
H5 C1 H6 107.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.536      
2 C 0.259      
3 O -0.295      
4 H 0.183      
5 H 0.194      
6 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.008 -1.251 0.000 2.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.491 -0.108 0.000
y -0.108 -18.194 0.000
z 0.000 0.000 -16.638
Traceless
 xyz
x -1.075 -0.108 0.000
y -0.108 -0.629 0.000
z 0.000 0.000 1.704
Polar
3z2-r23.408
x2-y2-0.297
xy-0.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.306 0.468 0.000
y 0.468 3.292 0.000
z 0.000 0.000 2.654


<r2> (average value of r2) Å2
<r2> 44.517
(<r2>)1/2 6.672