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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-191.892807
Energy at 298.15K-191.897468
HF Energy-191.342264
Nuclear repulsion energy112.098342
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 MP3/6-31G*
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' 3348 3142 2.65      
2 A' 3234 3035 5.31      
3 A' 3228 3030 1.45      
4 A' 3108 2917 1.47      
5 A' 1906 1789 280.43      
6 A' 1531 1437 10.80      
7 A' 1503 1411 34.32      
8 A' 1452 1363 37.82      
9 A' 1306 1226 85.81      
10 A' 1104 1036 6.64      
11 A' 936 878 9.36      
12 A' 844 792 0.13      
13 A' 542 508 17.70      
14 A' 390 366 2.26      
15 A" 3180 2985 8.16      
16 A" 1534 1440 10.16      
17 A" 1072 1006 7.64      
18 A" 685 643 41.31      
19 A" 534 502 1.49      
20 A" 331 311 0.05      
21 A" 90 85 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15928.9 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 14950.9 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 MP3/6-31G*
ABC
0.36489 0.30331 0.17092

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.158 0.000
O2 0.368 1.312 0.000
C3 -1.424 -0.171 0.000
C4 0.979 -1.000 0.000
H5 -2.139 0.642 0.000
H6 -1.782 -1.195 0.000
H7 1.995 -0.605 0.000
H8 0.825 -1.628 0.884
H9 0.825 -1.628 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.21131.46171.51682.19352.23722.13582.15702.1570
O21.21132.32632.39162.59553.30252.51403.10413.1041
C31.46172.32632.54251.08301.08443.44662.82192.8219
C41.51682.39162.54253.52482.76811.09001.09511.0951
H52.19352.59551.08303.52481.87154.31843.83723.8372
H62.23723.30251.08442.76811.87153.82272.78642.7864
H72.13582.51403.44661.09004.31843.82271.78821.7882
H82.15703.10412.82191.09513.83722.78641.78821.7672
H92.15703.10412.82191.09513.83722.78641.78821.7672

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 118.322 C1 C3 H6 122.269
C1 C4 H7 108.941 C1 C4 H8 110.305
C1 C4 H9 110.305 O2 C1 C3 120.704
O2 C1 C4 122.088 C3 C1 C4 117.207
H5 C3 H6 119.410 H7 C4 H8 109.849
H7 C4 H9 109.849 H8 C4 H9 107.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability