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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-192.540872
Energy at 298.15K-192.546865
HF Energy-191.959862
Nuclear repulsion energy119.115471
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 3237 3050 4.88 61.11 0.65 0.79
2 A 3185 3001 0.00 7.96 0.75 0.86
3 A 3110 2930 4.58 181.80 0.01 0.02
4 A 1796 1692 90.01 5.36 0.51 0.67
5 A 1535 1446 25.01 31.90 0.73 0.84
6 A 1529 1441 0.01 30.30 0.75 0.86
7 A 1444 1361 14.41 1.67 0.75 0.85
8 A 1116 1052 0.13 5.14 0.58 0.74
9 A 924 870 0.00 4.27 0.75 0.86
10 A 816 769 0.80 11.40 0.15 0.26
11 A 386 363 1.01 0.31 0.59 0.74
12 A 63 59 0.00 0.06 0.75 0.86
13 B 3236 3049 6.85 50.22 0.75 0.86
14 B 3191 3006 14.23 96.72 0.75 0.86
15 B 3105 2926 1.06 0.04 0.75 0.86
16 B 1550 1460 22.49 0.41 0.75 0.86
17 B 1528 1440 0.61 1.23 0.75 0.86
18 B 1450 1366 68.76 4.29 0.75 0.86
19 B 1288 1213 60.53 0.43 0.75 0.86
20 B 1157 1090 3.10 0.05 0.75 0.86
21 B 929 875 3.55 4.08 0.75 0.86
22 B 539 508 15.18 1.79 0.75 0.86
23 B 493 465 0.32 1.11 0.75 0.86
24 B 143 134 0.03 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18873.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 17783.0 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
0.33528 0.28510 0.16343

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 0.179
O2 0.000 0.000 1.406
C3 0.000 1.285 -0.616
C4 0.000 -1.285 -0.616
H5 -0.002 2.135 0.066
H6 0.002 -2.135 0.066
H7 0.882 1.333 -1.263
H8 -0.880 1.331 -1.266
H9 -0.882 -1.333 -1.263
H10 0.880 -1.331 -1.266

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.22661.51171.51172.13812.13812.15262.15262.15262.1526
O21.22662.39612.39612.52052.52053.11063.11163.11063.1116
C31.51172.39612.57101.08993.48811.09461.09462.83752.8359
C41.51172.39612.57103.48811.08992.83752.83591.09461.0946
H52.13812.52051.08993.48814.27031.78661.78653.81683.8166
H62.13812.52053.48811.08994.27033.81683.81661.78661.7865
H72.15263.11061.09462.83751.78663.81681.76193.19642.6639
H82.15263.11161.09462.83591.78653.81661.76192.66393.1914
H92.15263.11062.83751.09463.81681.78663.19642.66391.7619
H102.15263.11162.83591.09463.81661.78652.66393.19141.7619

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.473 C1 C3 H7 110.342
C1 C3 H8 110.338 C1 C4 H6 109.473
C1 C4 H9 110.342 C1 C4 H10 110.338
O2 C1 C3 121.748 O2 C1 C4 121.748
C3 C1 C4 116.504 H5 C3 H7 109.740
H5 C3 H8 109.729 H6 C4 H9 109.740
H6 C4 H10 109.729 H7 C3 H8 107.189
H9 C4 H10 107.189
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability