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

using model chemistry: B2PLYP=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-191.163691
Energy at 298.15K-191.168448
HF Energy-191.038526
Nuclear repulsion energy111.132229
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/3-21G*
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' 3312 3312 3.49      
2 A' 3197 3197 2.76      
3 A' 3186 3186 5.44      
4 A' 3081 3081 2.49      
5 A' 1567 1567 8.30      
6 A' 1541 1541 21.12      
7 A' 1496 1496 28.18      
8 A' 1454 1454 32.62      
9 A' 1251 1251 66.53      
10 A' 1090 1090 5.68      
11 A' 937 937 10.21      
12 A' 800 800 1.63      
13 A' 508 508 11.96      
14 A' 397 397 1.60      
15 A" 3141 3141 9.71      
16 A" 1569 1569 11.37      
17 A" 1087 1087 7.78      
18 A" 776 776 38.58      
19 A" 541 541 3.13      
20 A" 409 409 0.11      
21 A" 88 88 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 15714.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15714.7 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 B2PLYP=FULL/3-21G*
ABC
0.35304 0.30386 0.16847

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.153 0.000
O2 0.493 1.310 0.000
C3 -1.423 -0.057 0.000
C4 0.876 -1.099 0.000
H5 -2.080 0.801 0.000
H6 -1.847 -1.052 0.000
H7 1.922 -0.794 0.000
H8 0.673 -1.708 0.886
H9 0.673 -1.708 -0.886

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.25751.43901.52852.17892.20602.14322.16892.1689
O21.25752.35472.43972.62363.32572.54393.15103.1510
C31.43902.35472.52421.08111.08143.42592.81152.8115
C41.52852.43972.52423.51432.72351.09001.09431.0943
H52.17892.62361.08113.51431.86794.30893.82913.8291
H62.20603.32571.08142.72351.86793.77842.75082.7508
H72.14322.54393.42591.09004.30893.77841.78381.7838
H82.16893.15102.81151.09433.82912.75081.78381.7726
H92.16893.15102.81151.09433.82912.75081.78381.7726

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 118.995 C1 C3 H6 121.510
C1 C4 H7 108.711 C1 C4 H8 110.472
C1 C4 H9 110.472 O2 C1 C3 121.526
O2 C1 C4 121.948 C3 C1 C4 116.526
H5 C3 H6 119.495 H7 C4 H8 109.498
H7 C4 H9 109.498 H8 C4 H9 108.174
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability