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

using model chemistry: B2PLYP=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B2PLYP=FULL/STO-3G
 hartrees
Energy at 0K-189.706618
Energy at 298.15K-189.711029
HF Energy-189.643287
Nuclear repulsion energy109.181125
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 B2PLYP=FULL/STO-3G
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' 3601 3601 0.26      
2 A' 3535 3535 0.09      
3 A' 3426 3426 7.82      
4 A' 3347 3347 0.01      
5 A' 1696 1696 3.45      
6 A' 1611 1611 4.89      
7 A' 1570 1570 2.37      
8 A' 1444 1444 39.00      
9 A' 1224 1224 2.98      
10 A' 1062 1062 1.17      
11 A' 922 922 7.64      
12 A' 827 827 5.38      
13 A' 487 487 6.39      
14 A' 383 383 1.01      
15 A" 3516 3516 0.56      
16 A" 1696 1696 3.99      
17 A" 1119 1119 3.20      
18 A" 724 724 16.17      
19 A" 510 510 0.00      
20 A" 491 491 1.02      
21 A" 69 69 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16628.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16628.6 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 B2PLYP=FULL/STO-3G
ABC
0.34275 0.29180 0.16248

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.146 0.000
O2 0.670 1.264 0.000
C3 -1.435 0.132 0.000
C4 0.745 -1.228 0.000
H5 -1.997 1.074 0.000
H6 -2.002 -0.805 0.000
H7 1.831 -1.060 0.000
H8 0.475 -1.814 0.892
H9 0.475 -1.814 -0.892

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.30341.43461.56252.20162.21642.19272.20522.2052
O21.30342.38942.49302.67303.37942.59863.21083.2108
C31.43462.38942.56871.09651.09593.47662.86892.8689
C41.56252.49302.56873.57922.77871.09931.10071.1007
H52.20162.67301.09653.57921.87924.38243.90443.9044
H62.21643.37941.09592.77871.87923.84132.81912.8191
H72.19272.59863.47661.09934.38243.84131.78941.7894
H82.20523.21082.86891.10073.90442.81911.78941.7830
H92.20523.21082.86891.10073.90442.81911.78941.7830

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 120.285 C1 C3 H6 121.716
C1 C4 H7 109.704 C1 C4 H8 110.597
C1 C4 H9 110.597 O2 C1 C3 121.464
O2 C1 C4 120.625 C3 C1 C4 117.911
H5 C3 H6 117.999 H7 C4 H8 108.853
H7 C4 H9 108.853 H8 C4 H9 108.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability