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

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-192.460145
Energy at 298.15K-192.464731
HF Energy-192.460145
Nuclear repulsion energy111.963624
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 mPW1PW91/6-31+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' 3310 3150 2.21      
2 A' 3198 3043 4.93      
3 A' 3188 3035 2.34      
4 A' 3072 2924 3.64      
5 A' 1637 1558 85.00      
6 A' 1483 1412 19.10      
7 A' 1466 1395 33.72      
8 A' 1402 1335 38.35      
9 A' 1287 1225 51.10      
10 A' 1070 1019 3.84      
11 A' 934 889 3.51      
12 A' 837 797 2.03      
13 A' 526 501 13.38      
14 A' 384 366 2.63      
15 A" 3145 2994 7.43      
16 A" 1484 1413 11.72      
17 A" 1028 978 6.20      
18 A" 752 716 37.55      
19 A" 511 486 1.69      
20 A" 358 341 0.08      
21 A" 40 38 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15556.2 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 14806.4 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 mPW1PW91/6-31+G**
ABC
0.36574 0.30301 0.17098

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.143 0.000
O2 0.462 1.288 0.000
C3 -1.425 -0.061 0.000
C4 0.903 -1.070 0.000
H5 -2.074 0.806 0.000
H6 -1.863 -1.053 0.000
H7 1.944 -0.750 0.000
H8 0.714 -1.691 0.881
H9 0.714 -1.691 -0.881

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23501.43971.51252.17772.21412.13932.15642.1564
O21.23502.32022.39942.58213.30002.51983.11703.1170
C31.43972.32022.53731.08341.08453.43882.82992.8299
C41.51252.39942.53733.51922.76601.08931.09421.0942
H52.17772.58211.08343.51921.87134.30913.84543.8454
H62.21413.30001.08452.76601.87133.81922.79732.7973
H72.13932.51983.43881.08934.30913.81921.78181.7818
H82.15643.11702.82991.09423.84542.79731.78181.7622
H92.15643.11702.82991.09423.84542.79731.78181.7622

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 118.663 C1 C3 H6 121.978
C1 C4 H7 109.547 C1 C4 H8 110.612
C1 C4 H9 110.612 O2 C1 C3 120.144
O2 C1 C4 121.361 C3 C1 C4 118.496
H5 C3 H6 119.359 H7 C4 H8 109.377
H7 C4 H9 109.377 H8 C4 H9 107.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.250      
2 O -0.408      
3 C -0.193      
4 C -0.586      
5 H 0.191      
6 H 0.171      
7 H 0.204      
8 H 0.186      
9 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.439 -2.917 0.000 3.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.496 -1.761 0.000
y -1.761 -27.100 0.000
z 0.000 0.000 -24.742
Traceless
 xyz
x 3.425 -1.761 0.000
y -1.761 -3.482 0.000
z 0.000 0.000 0.056
Polar
3z2-r20.112
x2-y24.605
xy-1.761
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.561 0.362 0.000
y 0.362 6.415 0.000
z 0.000 0.000 4.051


<r2> (average value of r2) Å2
<r2> 76.725
(<r2>)1/2 8.759