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

using model chemistry: B2PLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-192.308664
Energy at 298.15K-192.313249
HF Energy-192.119634
Nuclear repulsion energy111.692317
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/6-31+G**
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' 3322 3164 2.64      
2 A' 3202 3050 7.28      
3 A' 3200 3047 0.90      
4 A' 3079 2933 4.49      
5 A' 1670 1591 150.31      
6 A' 1501 1430 14.32      
7 A' 1488 1417 32.66      
8 A' 1419 1352 30.35      
9 A' 1291 1230 64.66      
10 A' 1081 1030 5.96      
11 A' 939 894 5.17      
12 A' 830 791 1.67      
13 A' 528 503 13.67      
14 A' 387 369 2.15      
15 A" 3149 2999 9.43      
16 A" 1503 1431 10.34      
17 A" 1038 988 4.07      
18 A" 726 691 39.30      
19 A" 511 487 1.17      
20 A" 339 323 0.05      
21 A" 50 47 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 15626.7 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 14882.9 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/6-31+G**
ABC
0.36283 0.30188 0.16998

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.145 0.000
O2 0.454 1.297 0.000
C3 -1.430 -0.076 0.000
C4 0.914 -1.065 0.000
H5 -2.088 0.783 0.000
H6 -1.856 -1.071 0.000
H7 1.951 -0.735 0.000
H8 0.728 -1.685 0.881
H9 0.728 -1.685 -0.881

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23811.44711.51662.18302.21882.14002.15752.1575
O21.23812.33102.40632.59303.30802.52323.12123.1212
C31.44712.33102.54471.08161.08273.44472.83282.8328
C41.51662.40632.54473.52532.77011.08821.09321.0932
H52.18302.59301.08163.52531.86884.31433.84673.8467
H62.21883.30801.08272.77011.86883.82172.79832.7983
H72.14002.52323.44471.08824.31433.82171.78181.7818
H82.15753.12122.83281.09323.84672.79831.78181.7622
H92.15753.12122.83281.09323.84672.79831.78181.7622

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 118.666 C1 C3 H6 121.918
C1 C4 H7 109.377 C1 C4 H8 110.474
C1 C4 H9 110.474 O2 C1 C3 120.281
O2 C1 C4 121.416 C3 C1 C4 118.303
H5 C3 H6 119.416 H7 C4 H8 109.535
H7 C4 H9 109.535 H8 C4 H9 107.417
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.288      
2 O -0.442      
3 C -0.181      
4 C -0.493      
5 H 0.172      
6 H 0.152      
7 H 0.181      
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
  -1.442 -2.999 0.000 3.327
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.945 -1.748 0.000
y -1.748 -27.708 0.000
z 0.000 0.000 -25.029
Traceless
 xyz
x 3.423 -1.748 0.000
y -1.748 -3.721 0.000
z 0.000 0.000 0.297
Polar
3z2-r20.595
x2-y24.763
xy-1.748
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.509 0.324 0.000
y 0.324 6.330 0.000
z 0.000 0.000 4.096


<r2> (average value of r2) Å2
<r2> 77.313
(<r2>)1/2 8.793