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

using model chemistry: QCISD(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 QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-192.021610
Energy at 298.15K 
HF Energy-191.367764
Nuclear repulsion energy110.759143
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 QCISD(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' 3265 3192        
2 A' 3144 3074        
3 A' 3140 3071        
4 A' 3022 2955        
5 A' 1597 1561        
6 A' 1463 1431        
7 A' 1446 1414        
8 A' 1376 1345        
9 A' 1268 1240        
10 A' 1051 1027        
11 A' 915 895        
12 A' 823 805        
13 A' 513 501        
14 A' 373 365        
15 A" 3097 3028        
16 A" 1459 1427        
17 A" 1007 984        
18 A" 711 695        
19 A" 489 478        
20 A" 318 311        
21 A" 20i 20i        

Unscaled Zero Point Vibrational Energy (zpe) 15228.0 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 14890.0 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 QCISD(T)/aug-cc-pVDZ
ABC
0.35667 0.29736 0.16733

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.146 0.000
O2 0.437 1.314 0.000
C3 -1.440 -0.100 0.000
C4 0.938 -1.059 0.000
H5 -2.120 0.758 0.000
H6 -1.849 -1.117 0.000
H7 1.982 -0.710 0.000
H8 0.754 -1.685 0.893
H9 0.754 -1.685 -0.893

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.24661.46111.52692.20692.23922.15932.17232.1723
O21.24662.35002.42492.61683.33662.54633.14523.1452
C31.46112.35002.56401.09511.09593.47652.84992.8499
C41.52692.42492.56403.55722.78731.10141.10601.1060
H52.20692.61681.09513.55721.89474.35743.87643.8764
H62.23923.33661.09592.78731.89473.85282.80922.8092
H72.15932.54633.47651.10144.35743.85281.80521.8052
H82.17233.14522.84991.10603.87642.80921.80521.7851
H92.17233.14522.84991.10603.87642.80921.80521.7851

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 118.686 C1 C3 H6 121.601
C1 C4 H7 109.417 C1 C4 H8 110.165
C1 C4 H9 110.165 O2 C1 C3 120.216
O2 C1 C4 121.598 C3 C1 C4 118.186
H5 C3 H6 119.713 H7 C4 H8 109.732
H7 C4 H9 109.732 H8 C4 H9 107.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability