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

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-192.010510
Energy at 298.15K-192.015127
HF Energy-191.362473
Nuclear repulsion energy112.378789
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(2df,p)
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' 3367 3180 1.23      
2 A' 3249 3069 3.70      
3 A' 3232 3052 0.30      
4 A' 3111 2938 0.06      
5 A' 2140 2021 915.48      
6 A' 1490 1408 10.92      
7 A' 1469 1387 32.65      
8 A' 1401 1323 46.60      
9 A' 1268 1197 94.59      
10 A' 1082 1022 5.51      
11 A' 899 849 13.68      
12 A' 821 776 1.71      
13 A' 526 497 16.37      
14 A' 377 356 1.73      
15 A" 3199 3022 2.43      
16 A" 1503 1419 8.17      
17 A" 1051 993 11.35      
18 A" 680 643 31.89      
19 A" 527 498 2.37      
20 A" 281 265 0.00      
21 A" 119 113 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15895.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 15013.4 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(2df,p)
ABC
0.36118 0.30776 0.17144

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.175 0.000
O2 0.297 1.332 0.000
C3 -1.410 -0.265 0.000
C4 1.025 -0.940 0.000
H5 -2.179 0.494 0.000
H6 -1.682 -1.311 0.000
H7 2.025 -0.515 0.000
H8 0.885 -1.572 0.880
H9 0.885 -1.572 -0.880

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.19471.47731.51512.20182.24442.13962.14682.1468
O21.19472.33782.38662.61363.30182.52973.09103.0910
C31.47732.33782.52741.07991.08043.44462.78372.7837
C41.51512.38662.52743.51022.73271.08681.09201.0920
H52.20182.61361.07993.51021.87144.32323.79813.7981
H62.24443.30181.08042.73271.87143.79202.72612.7261
H72.13962.52973.44461.08684.32323.79201.78671.7867
H82.14683.09102.78371.09203.79812.72611.78671.7592
H92.14683.09102.78371.09203.79812.72611.78671.7592

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 118.029 C1 C3 H6 121.914
C1 C4 H7 109.535 C1 C4 H8 109.802
C1 C4 H9 109.802 O2 C1 C3 121.720
O2 C1 C4 123.023 C3 C1 C4 115.258
H5 C3 H6 120.056 H7 C4 H8 110.179
H7 C4 H9 110.179 H8 C4 H9 107.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability