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

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-191.917013
Energy at 298.15K-191.921502
HF Energy-191.355821
Nuclear repulsion energy112.099692
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 MP2/6-31+G**
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' 3392 3190 2.13      
2 A' 3270 3076 5.17      
3 A' 3256 3063 0.69      
4 A' 3125 2939 0.71      
5 A' 2096 1971 1072.42      
6 A' 1515 1425 11.95      
7 A' 1502 1413 32.05      
8 A' 1430 1345 45.90      
9 A' 1292 1215 100.94      
10 A' 1098 1033 8.66      
11 A' 918 863 16.11      
12 A' 831 782 1.43      
13 A' 538 506 15.72      
14 A' 388 365 2.09      
15 A" 3215 3024 4.95      
16 A" 1516 1426 10.69      
17 A" 1056 993 6.40      
18 A" 638 600 45.43      
19 A" 521 490 5.68      
20 A" 230 216 0.01      
21 A" 83 78 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 15953.9 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 15006.2 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 MP2/6-31+G**
ABC
0.36050 0.30576 0.17067

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.166 0.000
O2 0.310 1.333 0.000
C3 -1.418 -0.250 0.000
C4 1.022 -0.950 0.000
H5 -2.173 0.519 0.000
H6 -1.707 -1.290 0.000
H7 2.020 -0.524 0.000
H8 0.880 -1.579 0.880
H9 0.880 -1.579 -0.880

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.20731.47731.51312.20182.24342.13422.14312.1431
O21.20732.34262.39162.61253.30832.52443.09493.0949
C31.47732.34262.53771.07851.07963.44812.79622.7962
C41.51312.39162.53773.51672.74951.08531.09071.0907
H52.20182.61251.07853.51671.86884.32083.80783.8078
H62.24343.30831.07962.74951.86883.80442.74752.7475
H72.13422.52443.44811.08534.32083.80441.78511.7851
H82.14313.09492.79621.09073.80782.74751.78511.7599
H92.14313.09492.79621.09073.80782.74751.78511.7599

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 118.131 C1 C3 H6 121.892
C1 C4 H7 109.342 C1 C4 H8 109.721
C1 C4 H9 109.721 O2 C1 C3 121.203
O2 C1 C4 122.677 C3 C1 C4 116.120
H5 C3 H6 119.977 H7 C4 H8 110.236
H7 C4 H9 110.236 H8 C4 H9 107.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability