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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-189.091913
Energy at 298.15K-189.096417
HF Energy-188.931705
Nuclear repulsion energy109.091383
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 MP2=FULL/STO-3G
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' 3642 3238 0.10      
2 A' 3561 3165 0.37      
3 A' 3469 3083 7.36      
4 A' 3371 2997 0.47      
5 A' 1721 1530 2.08      
6 A' 1643 1461 3.15      
7 A' 1601 1423 0.47      
8 A' 1461 1298 37.24      
9 A' 1265 1125 1.01      
10 A' 1071 952 0.27      
11 A' 937 833 10.08      
12 A' 895 796 1.31      
13 A' 491 437 6.60      
14 A' 391 348 0.33      
15 A" 3544 3151 1.22      
16 A" 1720 1529 2.42      
17 A" 1148 1021 1.71      
18 A" 787 700 12.69      
19 A" 612 544 0.03      
20 A" 504 448 0.08      
21 A" 31 27 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 16932.2 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 15051.0 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 MP2=FULL/STO-3G
ABC
0.34416 0.29103 0.16258

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.134 0.000
O2 0.816 1.180 0.000
C3 -1.401 0.305 0.000
C4 0.595 -1.307 0.000
H5 -1.840 1.311 0.000
H6 -2.086 -0.551 0.000
H7 1.697 -1.256 0.000
H8 0.268 -1.867 0.893
H9 0.268 -1.867 -0.893

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.32621.41131.55942.18452.19572.19372.20782.2078
O21.32622.38272.49662.65923.37872.59033.22193.2219
C31.41132.38272.56621.09761.09693.46922.88152.8815
C41.55942.49662.56623.57612.78601.10281.10401.1040
H52.18452.65921.09763.57611.87854.37073.91723.9172
H62.19573.37871.09692.78601.87853.84822.84102.8410
H72.19372.59033.46921.10284.37073.84821.79261.7926
H82.20783.22192.88151.10403.91722.84101.79261.7868
H92.20783.22192.88151.10403.91722.84101.79261.7868

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 120.572 C1 C3 H6 121.684
C1 C4 H7 109.792 C1 C4 H8 110.824
C1 C4 H9 110.824 O2 C1 C3 120.983
O2 C1 C4 119.595 C3 C1 C4 119.421
H5 C3 H6 117.744 H7 C4 H8 108.644
H7 C4 H9 108.644 H8 C4 H9 108.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability