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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: MP2=FULL/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-192.711019
Energy at 298.15K-192.717053
HF Energy-191.983534
Nuclear repulsion energy119.721119
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(2df,p)
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 3245 3050 2.72 56.97 0.68 0.81
2 A 3202 3009 0.00 7.00 0.75 0.86
3 A 3119 2931 2.63 181.31 0.01 0.01
4 A 1806 1698 103.00 6.30 0.47 0.64
5 A 1507 1416 0.00 23.42 0.75 0.86
6 A 1505 1415 23.79 26.23 0.72 0.84
7 A 1407 1322 15.19 1.43 0.72 0.84
8 A 1098 1032 0.29 3.68 0.50 0.67
9 A 902 848 0.00 1.78 0.75 0.86
10 A 815 766 1.10 11.82 0.13 0.23
11 A 379 356 1.06 0.27 0.65 0.79
12 A 77 73 0.00 0.04 0.75 0.86
13 B 3244 3049 4.98 45.27 0.75 0.86
14 B 3207 3015 7.17 87.35 0.75 0.86
15 B 3114 2927 0.50 0.00 0.75 0.86
16 B 1531 1439 18.59 0.20 0.75 0.86
17 B 1499 1408 0.11 0.87 0.75 0.86
18 B 1416 1331 69.98 2.28 0.75 0.86
19 B 1265 1189 56.57 1.02 0.75 0.86
20 B 1129 1061 3.74 0.08 0.75 0.86
21 B 911 856 4.02 2.87 0.75 0.86
22 B 529 497 14.82 1.51 0.75 0.86
23 B 499 469 0.29 0.69 0.75 0.86
24 B 157 148 0.01 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18781.4 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 17652.6 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(2df,p)
ABC
0.33687 0.28905 0.16501

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.188
O2 0.000 0.000 1.401
C3 0.000 1.276 -0.616
C4 0.000 -1.276 -0.616
H5 -0.001 2.134 0.050
H6 0.001 -2.134 0.050
H7 0.878 1.312 -1.261
H8 -0.877 1.311 -1.263
H9 -0.878 -1.312 -1.261
H10 0.877 -1.311 -1.263

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21301.50851.50852.13872.13872.14302.14312.14302.1431
O21.21302.38692.38692.52592.52593.09523.09603.09523.0960
C31.50852.38692.55291.08603.47511.09011.09012.80832.8076
C41.50852.38692.55293.47511.08602.80832.80761.09011.0901
H52.13872.52591.08603.47514.26851.78001.78013.79013.7901
H62.13872.52593.47511.08604.26853.79013.79011.78001.7801
H72.14303.09521.09012.80831.78003.79011.75433.15692.6229
H82.14313.09601.09012.80761.78013.79011.75432.62293.1541
H92.14303.09522.80831.09013.79011.78003.15692.62291.7543
H102.14313.09602.80761.09013.79011.78012.62293.15411.7543

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.971 C1 C3 H7 110.063
C1 C3 H8 110.075 C1 C4 H6 109.971
C1 C4 H9 110.063 C1 C4 H10 110.075
O2 C1 C3 122.203 O2 C1 C4 122.203
C3 C1 C4 115.593 H5 C3 H7 109.767
H5 C3 H8 109.774 H6 C4 H9 109.767
H6 C4 H10 109.774 H7 C3 H8 107.146
H9 C4 H10 107.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability