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

using model chemistry: CCSD(T)/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)/cc-pVDZ
 hartrees
Energy at 0K-191.980226
Energy at 298.15K-191.984860
HF Energy-191.357320
Nuclear repulsion energy110.954885
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)/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' 3286 3216        
2 A' 3174 3106        
3 A' 3160 3093        
4 A' 3051 2986        
5 A' 1647 1612        
6 A' 1467 1436        
7 A' 1452 1421        
8 A' 1386 1357        
9 A' 1267 1240        
10 A' 1058 1036        
11 A' 916 897        
12 A' 827 809        
13 A' 518 507        
14 A' 376 368        
15 A" 3131 3065        
16 A" 1470 1439        
17 A" 1018 996        
18 A" 691 676        
19 A" 500 490        
20 A" 354 347        
21 A" 94 92        

Unscaled Zero Point Vibrational Energy (zpe) 15421.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 15094.9 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)/cc-pVDZ
ABC
0.35726 0.29866 0.16787

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.152 0.000
O2 0.418 1.317 0.000
C3 -1.436 -0.122 0.000
C4 0.949 -1.045 0.000
H5 -2.129 0.728 0.000
H6 -1.832 -1.145 0.000
H7 1.990 -0.684 0.000
H8 0.774 -1.675 0.892
H9 0.774 -1.675 -0.892

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23731.46211.52732.20492.24472.15892.17602.1760
O21.23732.34702.42022.61423.33522.54433.14223.1422
C31.46212.34702.55721.09581.09713.47232.84502.8450
C41.52732.42022.55723.55102.78231.10231.10651.1065
H52.20492.61421.09583.55101.89604.35403.87223.8722
H62.24473.33521.09712.78231.89603.84982.80502.8050
H72.15892.54433.47231.10234.35403.84981.80491.8049
H82.17603.14222.84501.10653.87222.80501.80491.7848
H92.17603.14222.84501.10653.87222.80501.80491.7848

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 118.381 C1 C3 H6 121.945
C1 C4 H7 109.300 C1 C4 H8 110.395
C1 C4 H9 110.395 O2 C1 C3 120.570
O2 C1 C4 121.837 C3 C1 C4 117.593
H5 C3 H6 119.674 H7 C4 H8 109.607
H7 C4 H9 109.607 H8 C4 H9 107.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability