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

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-192.055812
Energy at 298.15K-192.060514
HF Energy-191.363580
Nuclear repulsion energy111.965450
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/6-31G(2df,p)
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' 3322 3141 1.53      
2 A' 3209 3034 5.11      
3 A' 3202 3027 0.94      
4 A' 3092 2923 2.94      
5 A' 1677 1586 56.95      
6 A' 1504 1422 10.04      
7 A' 1479 1399 25.74      
8 A' 1424 1347 24.50      
9 A' 1289 1218 56.49      
10 A' 1082 1023 3.50      
11 A' 936 885 4.75      
12 A' 836 790 0.83      
13 A' 523 495 15.68      
14 A' 379 358 1.75      
15 A" 3163 2991 8.10      
16 A" 1510 1427 6.82      
17 A" 1046 989 5.00      
18 A" 724 685 30.64      
19 A" 517 488 0.80      
20 A" 377 356 0.06      
21 A" 92 87 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15690.2 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 14835.1 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/6-31G(2df,p)
ABC
0.36422 0.30324 0.17072

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.152 0.000
O2 0.430 1.300 0.000
C3 -1.426 -0.102 0.000
C4 0.930 -1.048 0.000
H5 -2.102 0.742 0.000
H6 -1.827 -1.108 0.000
H7 1.963 -0.704 0.000
H8 0.751 -1.670 0.881
H9 0.751 -1.670 -0.881

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.22571.44821.51822.18302.21922.14162.15862.1586
O21.22572.32572.40072.59193.30002.52343.11433.1143
C31.44822.32572.53851.08181.08273.44182.82362.8236
C41.51822.40072.53853.52082.75761.08881.09321.0932
H52.18302.59191.08183.52081.87064.31443.83843.8384
H62.21923.30001.08272.75761.87063.81142.78202.7820
H72.14162.52343.44181.08884.31443.81141.78261.7826
H82.15863.11432.82361.09323.83842.78201.78261.7626
H92.15863.11432.82361.09323.83842.78201.78261.7626

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 118.551 C1 C3 H6 121.863
C1 C4 H7 109.363 C1 C4 H8 110.446
C1 C4 H9 110.446 O2 C1 C3 120.632
O2 C1 C4 121.705 C3 C1 C4 117.662
H5 C3 H6 119.586 H7 C4 H8 109.557
H7 C4 H9 109.557 H8 C4 H9 107.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability