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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-191.943992
Energy at 298.15K-191.948648
HF Energy-191.342096
Nuclear repulsion energy111.415911
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)=FULL/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' 3289 3193        
2 A' 3178 3085        
3 A' 3175 3082        
4 A' 3056 2967        
5 A' 1640 1592        
6 A' 1520 1475        
7 A' 1490 1447        
8 A' 1437 1395        
9 A' 1301 1262        
10 A' 1082 1050        
11 A' 945 917        
12 A' 837 813        
13 A' 526 511        
14 A' 384 373        
15 A" 3124 3032        
16 A" 1521 1477        
17 A" 1050 1019        
18 A" 693 673        
19 A" 505 490        
20 A" 360 350        
21 A" 95 92        

Unscaled Zero Point Vibrational Energy (zpe) 15603.9 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 15146.7 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 CCSD(T)=FULL/6-31G*
ABC
0.36102 0.30078 0.16930

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.144 0.000
O2 0.457 1.299 0.000
C3 -1.432 -0.074 0.000
C4 0.913 -1.069 0.000
H5 -2.093 0.788 0.000
H6 -1.864 -1.072 0.000
H7 1.953 -0.733 0.000
H8 0.729 -1.692 0.887
H9 0.729 -1.692 -0.887

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.24181.44841.51882.19022.22592.14152.16572.1657
O21.24182.33522.41182.60133.31822.52353.13143.1314
C31.44842.33522.54751.08661.08803.44902.84192.8419
C41.51882.41182.54753.53402.77681.09361.09871.0987
H52.19022.60131.08663.53401.87474.32343.86093.8609
H62.22593.31821.08802.77681.87473.83242.81002.8100
H72.14152.52353.44901.09364.32343.83241.78981.7898
H82.16573.13142.84191.09873.86092.81001.78981.7732
H92.16573.13142.84191.09873.86092.81001.78981.7732

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 118.841 C1 C3 H6 122.057
C1 C4 H7 109.036 C1 C4 H8 110.638
C1 C4 H9 110.638 O2 C1 C3 120.271
O2 C1 C4 121.444 C3 C1 C4 118.286
H5 C3 H6 119.102 H7 C4 H8 109.457
H7 C4 H9 109.457 H8 C4 H9 107.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability