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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-191.898430
Energy at 298.15K-191.903083
HF Energy-191.342113
Nuclear repulsion energy111.976634
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 CCD/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' 3323 3146 3.17      
2 A' 3209 3037 6.34      
3 A' 3205 3033 1.34      
4 A' 3084 2919 1.89      
5 A' 1895 1793 260.40      
6 A' 1524 1442 10.39      
7 A' 1495 1415 33.01      
8 A' 1447 1370 36.10      
9 A' 1301 1232 84.51      
10 A' 1100 1041 6.31      
11 A' 932 882 9.48      
12 A' 840 795 0.13      
13 A' 540 511 17.32      
14 A' 389 368 2.21      
15 A" 3157 2988 9.10      
16 A" 1528 1446 9.72      
17 A" 1070 1012 7.48      
18 A" 683 646 40.64      
19 A" 532 504 1.51      
20 A" 328 311 0.05      
21 A" 92 87 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15836.8 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 14989.6 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 CCD/6-31G*
ABC
0.36388 0.30291 0.17059

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.158 0.000
O2 0.368 1.314 0.000
C3 -1.425 -0.173 0.000
C4 0.980 -1.000 0.000
H5 -2.143 0.640 0.000
H6 -1.782 -1.199 0.000
H7 1.998 -0.605 0.000
H8 0.827 -1.630 0.885
H9 0.827 -1.630 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.21261.46311.51782.19672.24002.13902.15972.1597
O21.21262.32922.39382.59983.30692.51783.10793.1079
C31.46312.32922.54371.08481.08623.45042.82422.8242
C41.51782.39382.54373.52812.76951.09191.09701.0970
H52.19672.59981.08483.52811.87424.32453.84143.8414
H62.24003.30691.08622.76951.87423.82652.78822.7882
H72.13902.51783.45041.09194.32453.82651.79061.7906
H82.15973.10792.82421.09703.84142.78821.79061.7701
H92.15973.10792.82421.09703.84142.78821.79061.7701

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 118.355 C1 C3 H6 122.272
C1 C4 H7 109.007 C1 C4 H8 110.342
C1 C4 H9 110.342 O2 C1 C3 120.749
O2 C1 C4 122.107 C3 C1 C4 117.144
H5 C3 H6 119.373 H7 C4 H8 109.782
H7 C4 H9 109.782 H8 C4 H9 107.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability