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

using model chemistry: CCSD(T)/TZVP

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)/TZVP
 hartrees
Energy at 0K-192.063254
Energy at 298.15K 
HF Energy-191.408256
Nuclear repulsion energy111.660623
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)/TZVP
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' 3287 3164        
2 A' 3167 3049        
3 A' 3164 3045        
4 A' 3049 2935        
5 A' 1616 1556        
6 A' 1493 1437        
7 A' 1480 1425        
8 A' 1415 1362        
9 A' 1275 1227        
10 A' 1074 1033        
11 A' 929 894        
12 A' 822 791        
13 A' 526 506        
14 A' 384 369        
15 A" 3120 3003        
16 A" 1482 1426        
17 A" 1025 987        
18 A" 585 563        
19 A" 484 466        
20 A" 297 286        
21 A" 108i 104i        

Unscaled Zero Point Vibrational Energy (zpe) 15282.9 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 14709.8 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)/TZVP
ABC
0.36180 0.30214 0.16987

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.149 0.000
O2 0.444 1.302 0.000
C3 -1.429 -0.089 0.000
C4 0.921 -1.060 0.000
H5 -2.099 0.761 0.000
H6 -1.839 -1.093 0.000
H7 1.959 -0.725 0.000
H8 0.736 -1.678 0.884
H9 0.736 -1.678 -0.884

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23501.44871.52012.18602.21902.14482.15872.1587
O21.23502.33302.40922.59943.30822.52993.12133.1213
C31.44872.33302.54281.08261.08373.44662.82672.8267
C41.52012.40922.54283.52662.76061.09001.09421.0942
H52.18602.59941.08263.52661.87184.32083.84243.8424
H62.21903.30821.08372.76061.87183.81542.78452.7845
H72.14482.52993.44661.09004.32083.81541.78441.7844
H82.15873.12132.82671.09423.84242.78451.78441.7675
H92.15873.12132.82671.09423.84242.78451.78441.7675

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 118.736 C1 C3 H6 121.713
C1 C4 H7 109.413 C1 C4 H8 110.266
C1 C4 H9 110.266 O2 C1 C3 120.550
O2 C1 C4 121.616 C3 C1 C4 117.834
H5 C3 H6 119.551 H7 C4 H8 109.568
H7 C4 H9 109.568 H8 C4 H9 107.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability