return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3/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 MP3/cc-pVDZ
 hartrees
Energy at 0K-191.946188
Energy at 298.15K-191.950884
HF Energy-191.357582
Nuclear repulsion energy111.675631
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 MP3/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' 3334 3160 2.31      
2 A' 3221 3053 6.11      
3 A' 3205 3038 1.30      
4 A' 3092 2931 2.42      
5 A' 1908 1808 326.33      
6 A' 1477 1400 20.82      
7 A' 1464 1387 27.13      
8 A' 1402 1329 36.44      
9 A' 1273 1207 78.85      
10 A' 1078 1022 7.01      
11 A' 911 863 10.27      
12 A' 835 792 0.62      
13 A' 534 507 17.44      
14 A' 382 362 1.41      
15 A" 3174 3008 8.87      
16 A" 1482 1405 8.03      
17 A" 1043 989 6.63      
18 A" 693 657 30.30      
19 A" 531 503 1.24      
20 A" 339 322 0.04      
21 A" 107 102        

Unscaled Zero Point Vibrational Energy (zpe) 15742.0 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 14921.9 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 MP3/cc-pVDZ
ABC
0.36146 0.30148 0.16966

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.165 0.000
O2 0.346 1.322 0.000
C3 -1.427 -0.200 0.000
C4 1.000 -0.985 0.000
H5 -2.163 0.608 0.000
H6 -1.761 -1.242 0.000
H7 2.021 -0.580 0.000
H8 0.848 -1.620 0.890
H9 0.848 -1.620 -0.890

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.20781.47251.52402.20772.25362.15352.16742.1674
O21.20782.33652.39832.60883.31832.53403.11463.1146
C31.47252.33652.55011.09281.09393.46802.82522.8252
C41.52402.39832.55013.54102.77221.09871.10361.1036
H52.20772.60881.09283.54101.89234.34873.84953.8495
H62.25363.31831.09392.77221.89233.83892.78212.7821
H72.15352.53403.46801.09874.34873.83891.80281.8028
H82.16743.11462.82521.10363.84952.78211.80281.7799
H92.16743.11462.82521.10363.84952.78211.80281.7799

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 118.006 C1 C3 H6 122.143
C1 C4 H7 109.317 C1 C4 H8 110.119
C1 C4 H9 110.119 O2 C1 C3 121.006
O2 C1 C4 122.359 C3 C1 C4 116.635
H5 C3 H6 119.851 H7 C4 H8 109.891
H7 C4 H9 109.891 H8 C4 H9 107.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability