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All results from a given calculation for CH3COCH2 (Acetonyl radical)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-192.164611
Energy at 298.15K-192.169309
HF Energy-192.040074
Nuclear repulsion energy110.985583
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 B2PLYP/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3316 3316 4.79      
2 A' 3195 3195 5.39      
3 A' 3190 3190 5.06      
4 A' 3068 3068 4.73      
5 A' 1555 1555 20.26      
6 A' 1530 1530 29.89      
7 A' 1495 1495 34.90      
8 A' 1460 1460 26.89      
9 A' 1307 1307 64.15      
10 A' 1090 1090 7.38      
11 A' 964 964 5.55      
12 A' 838 838 1.05      
13 A' 526 526 14.71      
14 A' 397 397 2.13      
15 A" 3137 3137 13.80      
16 A" 1544 1544 11.91      
17 A" 1081 1081 6.05      
18 A" 769 769 39.04      
19 A" 525 525 0.78      
20 A" 387 387 0.16      
21 A" 57 57 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15715.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15715.0 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 B2PLYP/6-31G
ABC
0.35675 0.30019 0.16814

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.135 0.000
O2 0.543 1.281 0.000
C3 -1.434 0.013 0.000
C4 0.844 -1.127 0.000
H5 -2.036 0.913 0.000
H6 -1.928 -0.952 0.000
H7 1.899 -0.851 0.000
H8 0.632 -1.739 0.884
H9 0.632 -1.739 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.26791.43921.51862.17982.21362.13972.16662.1666
O21.26792.34852.42712.60483.33042.52663.14813.1481
C31.43922.34852.54741.08321.08433.44322.84972.8497
C41.51862.42712.54743.52982.77751.09091.09601.0960
H52.17982.60481.08323.52981.86884.31253.86493.8649
H62.21363.33041.08432.77751.86883.82852.82072.8207
H72.13972.52663.44321.09094.31253.82851.78231.7823
H82.16663.14812.84971.09603.86492.82071.78231.7689
H92.16663.14812.84971.09603.86492.82071.78231.7689

picture of Acetonyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 118.895 C1 C3 H6 121.978
C1 C4 H7 109.066 C1 C4 H8 110.892
C1 C4 H9 110.892 O2 C1 C3 120.213
O2 C1 C4 120.899 C3 C1 C4 118.889
H5 C3 H6 119.127 H7 C4 H8 109.173
H7 C4 H9 109.173 H8 C4 H9 107.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.345      
2 O -0.436      
3 C -0.255      
4 C -0.483      
5 H 0.172      
6 H 0.153      
7 H 0.179      
8 H 0.162      
9 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.657 -2.836 0.000 3.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.830 -2.086 0.000
y -2.086 -27.119 0.000
z 0.000 0.000 -24.549
Traceless
 xyz
x 3.004 -2.086 0.000
y -2.086 -3.430 0.000
z 0.000 0.000 0.426
Polar
3z2-r20.851
x2-y24.289
xy-2.086
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.665 0.395 0.000
y 0.395 5.500 0.000
z 0.000 0.000 2.879


<r2> (average value of r2) Å2
<r2> 77.688
(<r2>)1/2 8.814