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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-192.027303
Energy at 298.15K-192.031943
HF Energy-191.391684
Nuclear repulsion energy111.577734
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/6-311G**
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' 3288 3137 3.89      
2 A' 3173 3027 10.21      
3 A' 3169 3023 1.42      
4 A' 3059 2918 6.16      
5 A' 1646 1570 56.17      
6 A' 1498 1429 10.15      
7 A' 1480 1412 25.61      
8 A' 1419 1354 25.18      
9 A' 1283 1224 57.27      
10 A' 1076 1027 4.38      
11 A' 933 891 5.70      
12 A' 832 793 1.00      
13 A' 528 504 15.68      
14 A' 383 365 1.17      
15 A" 3128 2985 14.78      
16 A" 1502 1433 7.88      
17 A" 1039 991 2.40      
18 A" 687 655 32.74      
19 A" 505 482 1.33      
20 A" 359 343 0.02      
21 A" 74 71 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15529.8 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 14817.0 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/6-311G**
ABC
0.36186 0.30096 0.16953

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.151 0.000
O2 0.423 1.307 0.000
C3 -1.431 -0.111 0.000
C4 0.940 -1.046 0.000
H5 -2.111 0.734 0.000
H6 -1.830 -1.122 0.000
H7 1.974 -0.693 0.000
H8 0.764 -1.668 0.885
H9 0.764 -1.668 -0.885

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.23021.45481.52272.18992.22902.14692.16302.1630
O21.23022.33372.40912.59753.31212.53093.12273.1227
C31.45482.33372.54891.08511.08623.45402.83282.8328
C41.52272.40912.54893.53282.77111.09191.09641.0964
H52.18992.59751.08513.53281.87714.32693.84973.8497
H62.22903.31211.08622.77111.87713.82742.79432.7943
H72.14692.53093.45401.09194.32693.82741.78851.7885
H82.16303.12272.83281.09643.84972.79431.78851.7705
H92.16303.12272.83281.09643.84972.79431.78851.7705

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 118.406 C1 C3 H6 121.941
C1 C4 H7 109.281 C1 C4 H8 110.293
C1 C4 H9 110.293 O2 C1 C3 120.501
O2 C1 C4 121.761 C3 C1 C4 117.738
H5 C3 H6 119.653 H7 C4 H8 109.630
H7 C4 H9 109.630 H8 C4 H9 107.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability