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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-191.943725
Energy at 298.15K-191.948287
HF Energy-191.382594
Nuclear repulsion energy112.143172
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 MP2/6-311G*
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' 3339 3173 3.50      
2 A' 3221 3061 7.34      
3 A' 3206 3047 0.30      
4 A' 3086 2932 0.62      
5 A' 2116 2011 945.95      
6 A' 1505 1430 14.11      
7 A' 1483 1409 40.00      
8 A' 1420 1350 54.73      
9 A' 1275 1212 98.81      
10 A' 1091 1037 6.67      
11 A' 906 861 16.41      
12 A' 820 780 2.01      
13 A' 538 512 16.13      
14 A' 386 367 1.54      
15 A" 3170 3012 6.68      
16 A" 1511 1436 12.49      
17 A" 1059 1007 9.03      
18 A" 655 622 39.52      
19 A" 523 497 6.70      
20 A" 264 251 0.01      
21 A" 97 93 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15835.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 15048.8 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 MP2/6-311G*
ABC
0.36131 0.30492 0.17061

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.173 0.000
O2 0.295 1.332 0.000
C3 -1.417 -0.264 0.000
C4 1.032 -0.941 0.000
H5 -2.181 0.501 0.000
H6 -1.702 -1.309 0.000
H7 2.028 -0.503 0.000
H8 0.902 -1.574 0.882
H9 0.902 -1.574 -0.882

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.19571.48251.51802.20572.25632.13802.15482.1548
O21.19572.34012.38872.61143.31032.52413.09693.0969
C31.48252.34012.54011.08201.08273.45322.80502.8050
C41.51802.38872.54013.52172.75831.08831.09361.0936
H52.20572.61141.08203.52171.87254.32763.81963.8196
H62.25633.31031.08272.75831.87253.81612.76142.7614
H72.13802.52413.45321.08834.32763.81611.78741.7874
H82.15483.09692.80501.09363.81962.76141.78741.7632
H92.15483.09692.80501.09363.81962.76141.78741.7632

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 117.805 C1 C3 H6 122.423
C1 C4 H7 109.119 C1 C4 H8 110.132
C1 C4 H9 110.132 O2 C1 C3 121.427
O2 C1 C4 122.899 C3 C1 C4 115.674
H5 C3 H6 119.772 H7 C4 H8 110.005
H7 C4 H9 110.005 H8 C4 H9 107.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability