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

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-192.018034
Energy at 298.15K-192.022607
HF Energy-191.382679
Nuclear repulsion energy112.240757
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/6-311G*
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' 3342 3165 3.37      
2 A' 3224 3054 7.08      
3 A' 3209 3040 0.29      
4 A' 3089 2925 0.57      
5 A' 2117 2005 936.97      
6 A' 1505 1426 13.91      
7 A' 1485 1406 41.53      
8 A' 1422 1347 56.04      
9 A' 1278 1210 97.32      
10 A' 1092 1035 6.51      
11 A' 909 861 15.85      
12 A' 824 780 1.95      
13 A' 540 511 16.20      
14 A' 388 367 1.55      
15 A" 3173 3005 6.42      
16 A" 1512 1432 12.67      
17 A" 1061 1005 9.27      
18 A" 660 625 39.75      
19 A" 525 497 6.39      
20 A" 266 252 0.01      
21 A" 98 93 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15858.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 15019.1 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/6-311G*
ABC
0.36190 0.30561 0.17095

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.172 0.000
O2 0.295 1.331 0.000
C3 -1.415 -0.264 0.000
C4 1.030 -0.940 0.000
H5 -2.179 0.502 0.000
H6 -1.700 -1.308 0.000
H7 2.027 -0.503 0.000
H8 0.900 -1.574 0.881
H9 0.900 -1.574 -0.881

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.19521.48061.51602.20372.25432.13622.15292.1529
O21.19522.33792.38642.60923.30792.52213.09463.0946
C31.48062.33792.53691.08161.08233.44982.80202.8020
C41.51602.38642.53693.51812.75551.08791.09321.0932
H52.20372.60921.08163.51811.87164.32403.81633.8163
H62.25433.30791.08232.75551.87163.81302.75872.7587
H72.13622.52213.44981.08794.32403.81301.78651.7865
H82.15293.09462.80201.09323.81632.75871.78651.7623
H92.15293.09462.80201.09323.81632.75871.78651.7623

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 117.818 C1 C3 H6 122.433
C1 C4 H7 109.145 C1 C4 H8 110.146
C1 C4 H9 110.146 O2 C1 C3 121.421
O2 C1 C4 122.897 C3 C1 C4 115.682
H5 C3 H6 119.750 H7 C4 H8 109.986
H7 C4 H9 109.986 H8 C4 H9 107.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability