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

using model chemistry: MP2=FULL/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=FULL/6-31+G**
 hartrees
Energy at 0K-191.935326
Energy at 298.15K-191.939832
HF Energy-191.355892
Nuclear repulsion energy112.213422
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/6-31+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' 3395 3189 2.06      
2 A' 3274 3075 5.02      
3 A' 3259 3061 0.67      
4 A' 3128 2938 0.67      
5 A' 2098 1970 1068.00      
6 A' 1517 1425 11.84      
7 A' 1505 1414 32.51      
8 A' 1432 1345 46.71      
9 A' 1293 1215 100.29      
10 A' 1100 1033 8.47      
11 A' 920 864 15.92      
12 A' 833 782 1.43      
13 A' 539 506 15.67      
14 A' 389 366 2.07      
15 A" 3219 3024 4.78      
16 A" 1519 1427 10.82      
17 A" 1058 994 6.63      
18 A" 644 605 45.76      
19 A" 524 492 5.19      
20 A" 234 219 0.00      
21 A" 84 79 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 15981.6 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 15009.9 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 MP2=FULL/6-31+G**
ABC
0.36112 0.30650 0.17103

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.165 0.000
O2 0.310 1.332 0.000
C3 -1.416 -0.250 0.000
C4 1.020 -0.950 0.000
H5 -2.171 0.519 0.000
H6 -1.705 -1.289 0.000
H7 2.017 -0.525 0.000
H8 0.878 -1.578 0.879
H9 0.878 -1.578 -0.879

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.20651.47541.51122.19982.24082.13222.14072.1407
O21.20652.34042.38922.61063.30522.52233.09193.0919
C31.47542.34042.53441.07751.07863.44422.79262.7926
C41.51122.38922.53443.51282.74581.08421.08961.0896
H52.19982.61061.07753.51281.86684.31663.80353.8035
H62.24083.30521.07862.74581.86683.79982.74362.7436
H72.13222.52233.44421.08424.31663.79981.78311.7831
H82.14073.09192.79261.08963.80352.74361.78311.7579
H92.14073.09192.79261.08963.80352.74361.78311.7579

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 118.166 C1 C3 H6 121.878
C1 C4 H7 109.371 C1 C4 H8 109.724
C1 C4 H9 109.724 O2 C1 C3 121.212
O2 C1 C4 122.679 C3 C1 C4 116.109
H5 C3 H6 119.956 H7 C4 H8 110.227
H7 C4 H9 110.227 H8 C4 H9 107.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability