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

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-192.513672
Energy at 298.15K-192.518265
HF Energy-192.513672
Nuclear repulsion energy112.298753
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/TZVP
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' 3289 3138 2.12      
2 A' 3180 3033 5.85      
3 A' 3170 3025 1.99      
4 A' 3062 2921 2.83      
5 A' 1624 1550 79.01      
6 A' 1479 1411 15.76      
7 A' 1461 1393 35.17      
8 A' 1398 1334 37.48      
9 A' 1280 1221 54.92      
10 A' 1070 1021 4.11      
11 A' 929 886 4.13      
12 A' 832 794 2.44      
13 A' 533 509 13.14      
14 A' 387 370 2.30      
15 A" 3129 2985 8.11      
16 A" 1480 1412 11.87      
17 A" 1028 981 5.54      
18 A" 747 712 34.21      
19 A" 514 490 1.31      
20 A" 359 342 0.08      
21 A" 33 32 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15491.6 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 14779.0 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 mPW1PW91/TZVP
ABC
0.36765 0.30496 0.17199

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.146 0.000
O2 0.454 1.287 0.000
C3 -1.420 -0.069 0.000
C4 0.905 -1.063 0.000
H5 -2.074 0.792 0.000
H6 -1.850 -1.062 0.000
H7 1.944 -0.743 0.000
H8 0.717 -1.683 0.879
H9 0.717 -1.683 -0.879

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.22831.43571.51032.17232.20932.13732.15252.1525
O21.22832.31302.39322.57633.29062.51783.10893.1089
C31.43572.31302.52811.08161.08253.43012.81852.8185
C41.51032.39322.52813.50942.75451.08721.09221.0922
H52.17232.57631.08163.50941.86794.30103.83283.8328
H62.20933.29061.08252.75451.86793.80682.78322.7832
H72.13732.51783.43011.08724.30103.80681.77841.7784
H82.15253.10892.81851.09223.83282.78321.77841.7586
H92.15253.10892.81851.09223.83282.78321.77841.7586

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 118.630 C1 C3 H6 122.021
C1 C4 H7 109.664 C1 C4 H8 110.576
C1 C4 H9 110.576 O2 C1 C3 120.317
O2 C1 C4 121.487 C3 C1 C4 118.196
H5 C3 H6 119.349 H7 C4 H8 109.369
H7 C4 H9 109.369 H8 C4 H9 107.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.169      
2 O -0.263      
3 C -0.216      
4 C -0.403      
5 H 0.149      
6 H 0.143      
7 H 0.154      
8 H 0.134      
9 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.385 -2.812 0.000 3.134
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.436 -1.661 0.000
y -1.661 -26.933 0.000
z 0.000 0.000 -24.552
Traceless
 xyz
x 3.307 -1.661 0.000
y -1.661 -3.439 0.000
z 0.000 0.000 0.132
Polar
3z2-r20.264
x2-y24.497
xy-1.661
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.414 0.343 0.000
y 0.343 6.218 0.000
z 0.000 0.000 3.951


<r2> (average value of r2) Å2
<r2> 76.287
(<r2>)1/2 8.734