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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-191.921484
Energy at 298.15K-191.926080
HF Energy-191.350073
Nuclear repulsion energy112.320182
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=FULL/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' 3401 3178 2.88      
2 A' 3283 3068 5.53      
3 A' 3266 3051 0.84      
4 A' 3138 2932 0.49      
5 A' 2107 1968 768.33      
6 A' 1527 1427 9.70      
7 A' 1512 1413 27.85      
8 A' 1438 1344 43.64      
9 A' 1294 1209 101.63      
10 A' 1101 1029 7.42      
11 A' 918 858 15.15      
12 A' 832 777 1.06      
13 A' 536 501 17.11      
14 A' 386 361 1.72      
15 A" 3229 3017 6.08      
16 A" 1537 1436 8.74      
17 A" 1068 998 8.70      
18 A" 660 616 36.91      
19 A" 528 493 2.62      
20 A" 272 254 0.01      
21 A" 104 97 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16069.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 15014.9 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=FULL/6-31G**
ABC
0.36162 0.30700 0.17129

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.168 0.000
O2 0.309 1.330 0.000
C3 -1.414 -0.250 0.000
C4 1.019 -0.950 0.000
H5 -2.168 0.518 0.000
H6 -1.706 -1.288 0.000
H7 2.015 -0.523 0.000
H8 0.880 -1.579 0.878
H9 0.880 -1.579 -0.878

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9
C11.20271.47441.51252.19652.24292.13002.14372.1437
O21.20272.33792.38822.60693.30382.51903.09173.0917
C31.47442.33792.53131.07691.07793.43952.79232.7923
C41.51252.38822.53133.50902.74601.08361.08891.0889
H52.19652.60691.07693.50901.86414.31083.80253.8025
H62.24293.30381.07792.74601.86413.79882.74672.7467
H72.13002.51903.43951.08364.31083.79881.78131.7813
H82.14373.09172.79231.08893.80252.74671.78131.7563
H92.14373.09172.79231.08893.80252.74671.78131.7563

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 118.002 C1 C3 H6 122.218
C1 C4 H7 109.148 C1 C4 H8 109.922
C1 C4 H9 109.922 O2 C1 C3 121.355
O2 C1 C4 122.775 C3 C1 C4 115.869
H5 C3 H6 119.780 H7 C4 H8 110.161
H7 C4 H9 110.161 H8 C4 H9 107.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability