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

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-191.911989
Energy at 298.15K-191.916597
HF Energy-191.356654
Nuclear repulsion energy111.681523
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 MP2/cc-pVDZ
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' 3348 3189 2.10      
2 A' 3235 3081 5.24      
3 A' 3209 3057 0.47      
4 A' 3091 2944 0.64      
5 A' 2108 2008 852.95      
6 A' 1467 1397 21.43      
7 A' 1455 1385 29.38      
8 A' 1384 1318 50.82      
9 A' 1260 1200 89.10      
10 A' 1072 1021 6.66      
11 A' 891 849 15.28      
12 A' 824 785 1.87      
13 A' 530 505 16.65      
14 A' 380 361 1.25      
15 A" 3187 3035 5.08      
16 A" 1476 1406 8.99      
17 A" 1040 990 9.29      
18 A" 663 631 29.79      
19 A" 522 498 3.18      
20 A" 278 265 0.00      
21 A" 120 114 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15768.9 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 15019.9 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 MP2/cc-pVDZ
ABC
0.35725 0.30405 0.16952

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.175 0.000
O2 0.285 1.341 0.000
C3 -1.416 -0.280 0.000
C4 1.040 -0.934 0.000
H5 -2.196 0.484 0.000
H6 -1.686 -1.339 0.000
H7 2.046 -0.494 0.000
H8 0.905 -1.573 0.889
H9 0.905 -1.573 -0.889

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.20071.48751.52092.21812.26622.15272.15962.1596
O21.20072.35032.39762.62563.32732.54343.10913.1091
C31.48752.35032.54231.09201.09283.46902.80162.8016
C41.52092.39762.54233.53402.75661.09791.10301.1030
H52.21812.62561.09203.53401.89304.35393.82603.8260
H62.26623.32731.09282.75661.89303.82692.74932.7493
H72.15272.54343.46901.09794.35393.82691.80481.8048
H82.15963.10912.80161.10303.82602.74931.80481.7781
H92.15963.10912.80161.10303.82602.74931.80481.7781

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 117.790 C1 C3 H6 122.118
C1 C4 H7 109.521 C1 C4 H8 109.760
C1 C4 H9 109.760 O2 C1 C3 121.555
O2 C1 C4 123.089 C3 C1 C4 115.355
H5 C3 H6 120.093 H7 C4 H8 110.176
H7 C4 H9 110.176 H8 C4 H9 107.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability