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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-192.496001
Energy at 298.15K-192.500634
HF Energy-192.496001
Nuclear repulsion energy112.229313
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 mPW1PW91/6-311G**
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' 3286 3144 3.28      
2 A' 3177 3039 7.03      
3 A' 3166 3029 2.42      
4 A' 3059 2926 3.47      
5 A' 1636 1565 76.53      
6 A' 1475 1411 17.14      
7 A' 1457 1394 37.04      
8 A' 1391 1331 37.38      
9 A' 1277 1222 49.85      
10 A' 1066 1020 4.43      
11 A' 926 886 4.11      
12 A' 831 795 2.48      
13 A' 528 506 15.13      
14 A' 383 366 2.04      
15 A" 3126 2991 10.62      
16 A" 1479 1415 10.70      
17 A" 1025 981 6.31      
18 A" 744 712 29.53      
19 A" 512 490 1.51      
20 A" 363 347 0.07      
21 A" 58 56 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15482.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14811.8 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 mPW1PW91/6-311G**
ABC
0.36751 0.30418 0.17173

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.147 0.000
O2 0.448 1.289 0.000
C3 -1.421 -0.076 0.000
C4 0.911 -1.060 0.000
H5 -2.075 0.787 0.000
H6 -1.852 -1.070 0.000
H7 1.948 -0.730 0.000
H8 0.728 -1.682 0.880
H9 0.728 -1.682 -0.880

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.22701.43841.51222.17142.21532.13622.15582.1558
O21.22702.31402.39442.57183.29392.51543.11113.1111
C31.43842.31402.53191.08231.08333.43232.82372.8237
C41.51222.39442.53193.51132.76311.08811.09311.0931
H52.17142.57181.08233.51131.87024.29943.83733.8373
H62.21533.29391.08332.76311.87023.81492.79342.7934
H72.13622.51543.43231.08814.29943.81491.78041.7804
H82.15583.11112.82371.09313.83732.79341.78041.7602
H92.15583.11112.82371.09313.83732.79341.78041.7602

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 118.261 C1 C3 H6 122.293
C1 C4 H7 109.396 C1 C4 H8 110.650
C1 C4 H9 110.650 O2 C1 C3 120.279
O2 C1 C4 121.538 C3 C1 C4 118.183
H5 C3 H6 119.446 H7 C4 H8 109.429
H7 C4 H9 109.429 H8 C4 H9 107.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.147      
2 O -0.307      
3 C -0.198      
4 C -0.356      
5 H 0.152      
6 H 0.133      
7 H 0.150      
8 H 0.140      
9 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.314 -2.652 0.000 2.960
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.399 -1.483 0.000
y -1.483 -26.537 0.000
z 0.000 0.000 -24.411
Traceless
 xyz
x 3.074 -1.483 0.000
y -1.483 -3.132 0.000
z 0.000 0.000 0.057
Polar
3z2-r20.115
x2-y24.137
xy-1.483
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.208 0.225 0.000
y 0.225 5.879 0.000
z 0.000 0.000 3.538


<r2> (average value of r2) Å2
<r2> 76.265
(<r2>)1/2 8.733