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

using model chemistry: CCSD(T)=FULL/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)=FULL/TZVP
 hartrees
Energy at 0K-192.134395
Energy at 298.15K 
HF Energy-191.408367
Nuclear repulsion energy111.732107
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/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' 3289 3144        
2 A' 3168 3029        
3 A' 3164 3025        
4 A' 3048 2914        
5 A' 1618 1546        
6 A' 1494 1428        
7 A' 1482 1416        
8 A' 1415 1353        
9 A' 1276 1220        
10 A' 1075 1027        
11 A' 930 889        
12 A' 823 787        
13 A' 527 504        
14 A' 384 367        
15 A" 3120 2983        
16 A" 1482 1417        
17 A" 1026 981        
18 A" 590 564        
19 A" 485 464        
20 A" 296 283        
21 A" 111i 106i        

Unscaled Zero Point Vibrational Energy (zpe) 15289.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 14617.1 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/TZVP
ABC
0.36223 0.30256 0.17009

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.149 0.000
O2 0.445 1.300 0.000
C3 -1.428 -0.088 0.000
C4 0.920 -1.060 0.000
H5 -2.097 0.762 0.000
H6 -1.838 -1.090 0.000
H7 1.957 -0.726 0.000
H8 0.734 -1.677 0.883
H9 0.734 -1.677 -0.883

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23441.44761.51912.18472.21712.14372.15752.1575
O21.23442.33162.40762.59843.30602.52853.11953.1195
C31.44762.33162.54101.08161.08303.44442.82492.8249
C41.51912.40762.54103.52422.75831.08931.09351.0935
H52.18472.59841.08163.52421.87024.31833.83993.8399
H62.21713.30601.08302.75831.87023.81252.78232.7823
H72.14372.52853.44441.08934.31833.81251.78311.7831
H82.15753.11952.82491.09353.83992.78231.78311.7661
H92.15753.11952.82491.09353.83992.78231.78311.7661

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 118.771 C1 C3 H6 121.693
C1 C4 H7 109.434 C1 C4 H8 110.280
C1 C4 H9 110.280 O2 C1 C3 120.562
O2 C1 C4 121.606 C3 C1 C4 117.833
H5 C3 H6 119.537 H7 C4 H8 109.554
H7 C4 H9 109.554 H8 C4 H9 107.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability