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All results from a given calculation for CH3COCH3 (Acetone)

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 C2V 1A1
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-192.279330
Energy at 298.15K-192.285403
HF Energy-191.870585
Nuclear repulsion energy117.570841
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 3185 3026 8.37 61.26 0.67 0.80
2 A 3135 2979 0.00 8.11 0.75 0.86
3 A 3064 2911 7.83 194.00 0.01 0.02
4 A 1657 1574 34.25 1.88 0.54 0.70
5 A 1544 1467 35.69 39.94 0.73 0.84
6 A 1544 1467 0.00 36.68 0.75 0.86
7 A 1471 1397 15.05 1.69 0.74 0.85
8 A 1126 1070 0.00 7.55 0.61 0.76
9 A 960 912 0.00 5.61 0.75 0.86
10 A 798 758 0.51 12.82 0.14 0.25
11 A 389 370 0.84 0.43 0.64 0.78
12 A 89 84 0.00 0.11 0.75 0.86
13 B 3183 3024 12.33 52.22 0.75 0.86
14 B 3141 2984 24.97 101.43 0.75 0.86
15 B 3059 2907 3.37 0.04 0.75 0.86
16 B 1559 1481 24.81 0.51 0.75 0.86
17 B 1547 1470 1.01 1.74 0.75 0.86
18 B 1462 1389 41.17 5.59 0.75 0.86
19 B 1292 1228 80.27 0.00 0.75 0.86
20 B 1175 1116 2.04 0.01 0.75 0.86
21 B 953 906 4.30 4.76 0.75 0.86
22 B 536 509 14.81 2.61 0.75 0.86
23 B 495 470 0.22 1.36 0.75 0.86
24 B 147 139 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18754.6 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 17818.8 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 MP2=FULL/6-31G
ABC
0.32585 0.27858 0.15919

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.167
O2 0.000 0.000 1.431
C3 0.000 1.301 -0.625
C4 0.000 -1.301 -0.625
H5 0.000 2.146 0.072
H6 -0.000 -2.146 0.072
H7 0.887 1.358 -1.272
H8 -0.887 1.358 -1.272
H9 -0.887 -1.358 -1.272
H10 0.887 -1.358 -1.272

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.26391.52291.52292.14812.14812.16842.16842.16842.1684
O21.26392.43262.43262.54002.54003.15233.15213.15233.1521
C31.52292.43262.60191.09523.51671.09981.09982.87702.8770
C41.52292.43262.60193.51671.09522.87702.87701.09981.0998
H52.14812.54001.09523.51674.29201.79291.79293.85653.8565
H62.14812.54003.51671.09524.29203.85653.85651.79291.7929
H72.16843.15231.09982.87701.79293.85651.77473.24452.7162
H82.16843.15211.09982.87701.79293.85651.77472.71623.2448
H92.16843.15232.87701.09983.85651.79293.24452.71621.7747
H102.16843.15212.87701.09983.85651.79292.71623.24481.7747

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.176 C1 C3 H7 110.506
C1 C3 H8 110.502 C1 C4 H6 109.176
C1 C4 H9 110.506 C1 C4 H10 110.502
O2 C1 C3 121.318 O2 C1 C4 121.318
C3 C1 C4 117.363 H5 C3 H7 109.530
H5 C3 H8 109.527 H6 C4 H9 109.530
H6 C4 H10 109.527 H7 C3 H8 107.577
H9 C4 H10 107.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability