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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-191.612834
Energy at 298.15K-191.617523
HF Energy-191.261932
Nuclear repulsion energy111.089387
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 MP2/6-31G
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' 3327 3183 2.86      
2 A' 3200 3061 7.01      
3 A' 3197 3059 3.04      
4 A' 3071 2939 2.49      
5 A' 1608 1538 35.26      
6 A' 1549 1482 15.09      
7 A' 1491 1426 6.97      
8 A' 1467 1403 31.03      
9 A' 1271 1216 87.66      
10 A' 1103 1055 9.90      
11 A' 915 876 28.83      
12 A' 827 791 1.59      
13 A' 541 517 16.33      
14 A' 399 381 4.18      
15 A" 3151 3015 10.32      
16 A" 1551 1484 12.37      
17 A" 1101 1054 6.92      
18 A" 699 669 43.18      
19 A" 550 526 1.37      
20 A" 331 317 0.11      
21 A" 89 85 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15717.7 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 15038.7 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 MP2/6-31G
ABC
0.35683 0.29953 0.16801

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.152 0.000
O2 0.421 1.316 0.000
C3 -1.438 -0.123 0.000
C4 0.947 -1.045 0.000
H5 -2.126 0.717 0.000
H6 -1.833 -1.136 0.000
H7 1.976 -0.674 0.000
H8 0.779 -1.669 0.889
H9 0.779 -1.669 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23811.46391.52632.20012.23992.14202.17142.1714
O21.23812.35122.41912.61733.33062.52583.13563.1356
C31.46392.35122.55671.08601.08703.45832.84562.8456
C41.52632.41912.55673.54242.78101.09411.09911.0991
H52.20012.61731.08603.54241.87574.33203.86363.8636
H62.23993.33061.08702.78101.87573.83672.81032.8103
H72.14202.52583.45831.09414.33203.83671.79241.7924
H82.17143.13562.84561.09913.86362.81031.79241.7779
H92.17143.13562.84561.09913.86362.81031.79241.7779

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 118.518 C1 C3 H6 122.128
C1 C4 H7 108.531 C1 C4 H8 110.549
C1 C4 H9 110.549 O2 C1 C3 120.726
O2 C1 C4 121.763 C3 C1 C4 117.511
H5 C3 H6 119.354 H7 C4 H8 109.621
H7 C4 H9 109.621 H8 C4 H9 107.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability