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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-192.583548
Energy at 298.15K-192.589483
HF Energy-191.974890
Nuclear repulsion energy119.104222
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 MP2/6-31+G**
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 3255 3062 4.58 62.85 0.66 0.80
2 A 3203 3013 0.47 12.40 0.73 0.84
3 A 3121 2936 6.98 247.37 0.01 0.01
4 A 1762 1657 122.49 12.13 0.57 0.72
5 A 1518 1428 24.91 20.06 0.67 0.80
6 A 1509 1419 4.63 15.42 0.74 0.85
7 A 1430 1345 15.19 1.76 0.29 0.45
8 A 1108 1042 0.00 3.79 0.43 0.60
9 A 909 855 0.08 1.64 0.71 0.83
10 A 815 766 1.24 14.84 0.13 0.23
11 A 384 361 0.98 0.47 0.73 0.84
12 A 50 47 0.01 0.25 0.73 0.84
13 B 3254 3061 8.05 48.40 0.75 0.86
14 B 3208 3018 15.14 91.78 0.75 0.86
15 B 3117 2931 2.51 0.61 0.75 0.86
16 B 1529 1439 22.87 0.21 0.75 0.86
17 B 1510 1421 1.12 1.05 0.75 0.86
18 B 1435 1350 60.95 0.65 0.75 0.86
19 B 1278 1202 56.36 3.43 0.75 0.86
20 B 1139 1071 0.59 0.02 0.75 0.86
21 B 925 870 4.74 3.32 0.75 0.86
22 B 536 504 13.87 1.44 0.75 0.86
23 B 488 459 0.74 0.68 0.75 0.86
24 B 125 118 0.08 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18803.0 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 17686.1 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 MP2/6-31+G**
ABC
0.33478 0.28523 0.16330

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.177
O2 0.000 0.000 1.408
C3 0.000 1.286 -0.617
C4 0.000 -1.286 -0.617
H5 0.104 2.134 0.055
H6 -0.104 -2.134 0.055
H7 0.812 1.282 -1.345
H8 -0.935 1.372 -1.174
H9 -0.812 -1.282 -1.345
H10 0.935 -1.372 -1.174

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.23101.51151.51152.14012.14012.14972.14052.14972.1405
O21.23102.39882.39882.52932.52933.14403.06973.14403.0697
C31.51152.39882.57231.08653.48711.09081.09152.79062.8724
C41.51152.39882.57233.48711.08652.79062.87241.09081.0915
H52.14012.52931.08653.48714.27321.78491.78003.80403.8069
H62.14012.52933.48711.08654.27323.80403.80691.78491.7800
H72.14973.14401.09082.79061.78493.80401.75733.03562.6628
H82.14053.06971.09152.87241.78003.80691.75732.66283.3204
H92.14973.14402.79061.09083.80401.78493.03562.66281.7573
H102.14053.06972.87241.09153.80691.78002.66283.32041.7573

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.850 C1 C3 H7 110.353
C1 C3 H8 109.580 C1 C4 H6 109.850
C1 C4 H9 110.353 C1 C4 H10 109.580
O2 C1 C3 121.686 O2 C1 C4 121.686
C3 C1 C4 116.629 H5 C3 H7 110.125
H5 C3 H8 109.629 H6 C4 H9 110.125
H6 C4 H10 109.629 H7 C3 H8 107.264
H9 C4 H10 107.264
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability