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

using model chemistry: CCSD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-192.020474
Energy at 298.15K-192.024967
HF Energy-191.367878
Nuclear repulsion energy110.811146
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 CCSD(T)/aug-cc-pVDZ
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' 3266 3144        
2 A' 3145 3027        
3 A' 3142 3024        
4 A' 3023 2910        
5 A' 1602 1542        
6 A' 1463 1408        
7 A' 1446 1392        
8 A' 1377 1325        
9 A' 1267 1220        
10 A' 1052 1012        
11 A' 915 881        
12 A' 824 793        
13 A' 514 495        
14 A' 375 361        
15 A" 3097 2981        
16 A" 1459 1404        
17 A" 1009 971        
18 A" 716 689        
19 A" 495 476        
20 A" 343 330        
21 A" 23 22        

Unscaled Zero Point Vibrational Energy (zpe) 15275.8 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 14702.9 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 CCSD(T)/aug-cc-pVDZ
ABC
0.35710 0.29752 0.16748

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.147 0.000
O2 0.433 1.314 0.000
C3 -1.440 -0.103 0.000
C4 0.940 -1.056 0.000
H5 -2.122 0.753 0.000
H6 -1.846 -1.121 0.000
H7 1.984 -0.705 0.000
H8 0.757 -1.683 0.893
H9 0.757 -1.683 -0.893

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.24481.46121.52672.20692.23912.15912.17212.1721
O21.24482.34872.42342.61613.33502.54543.14353.1435
C31.46122.34872.56341.09511.09573.47612.84902.8490
C41.52672.42342.56343.55672.78641.10131.10601.1060
H52.20692.61611.09513.55671.89464.35713.87553.8755
H62.23913.33501.09572.78641.89463.85202.80802.8080
H72.15912.54543.47611.10134.35713.85201.80521.8052
H82.17213.14352.84901.10603.87552.80801.80521.7850
H92.17213.14352.84901.10603.87552.80801.80521.7850

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 118.683 C1 C3 H6 121.598
C1 C4 H7 109.418 C1 C4 H8 110.160
C1 C4 H9 110.160 O2 C1 C3 120.234
O2 C1 C4 121.616 C3 C1 C4 118.151
H5 C3 H6 119.719 H7 C4 H8 109.737
H7 C4 H9 109.737 H8 C4 H9 107.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability