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

using model chemistry: QCISD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at QCISD/6-31G**
 hartrees
Energy at 0K-191.952285
Energy at 298.15K-191.956935
HF Energy-191.351056
Nuclear repulsion energy111.633026
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 QCISD/6-31G**
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' 3350 3153 4.36      
2 A' 3233 3043 9.97      
3 A' 3229 3039 1.60      
4 A' 3110 2928 5.83      
5 A' 1652 1555 42.24      
6 A' 1535 1445 9.10      
7 A' 1514 1425 19.52      
8 A' 1451 1366 20.68      
9 A' 1310 1233 59.39      
10 A' 1091 1027 3.88      
11 A' 953 897 4.83      
12 A' 842 793 0.72      
13 A' 528 497 16.11      
14 A' 385 363 1.47      
15 A" 3185 2998 14.81      
16 A" 1537 1447 6.55      
17 A" 1056 994 2.83      
18 A" 694 653 34.07      
19 A" 508 478 0.47      
20 A" 367 345 0.03      
21 A" 73 68 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15799.7 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 14873.8 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 QCISD/6-31G**
ABC
0.36223 0.30151 0.16973

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.144 0.000
O2 0.456 1.298 0.000
C3 -1.431 -0.074 0.000
C4 0.913 -1.068 0.000
H5 -2.086 0.784 0.000
H6 -1.859 -1.067 0.000
H7 1.948 -0.735 0.000
H8 0.729 -1.686 0.881
H9 0.729 -1.686 -0.881

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.24011.44761.51812.18222.21922.13682.15832.1583
O21.24012.33292.40992.59363.30942.52113.12303.1230
C31.44762.33292.54611.08001.08123.44252.83552.8355
C41.51812.40992.54613.52542.77241.08701.09141.0914
H52.18222.59361.08003.52541.86504.31043.84773.8477
H62.21923.30941.08122.77241.86503.82142.80352.8035
H72.13682.52113.44251.08704.31043.82141.77921.7792
H82.15833.12302.83551.09143.84772.80351.77921.7618
H92.15833.12302.83551.09143.84772.80351.77921.7618

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 118.673 C1 C3 H6 122.031
C1 C4 H7 109.092 C1 C4 H8 110.535
C1 C4 H9 110.535 O2 C1 C3 120.259
O2 C1 C4 121.460 C3 C1 C4 118.281
H5 C3 H6 119.296 H7 C4 H8 109.513
H7 C4 H9 109.513 H8 C4 H9 107.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability