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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-192.961854
Energy at 298.15K-192.967798
HF Energy-192.758190
Nuclear repulsion energy119.185462
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 B2PLYP=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 3210 3210 7.89 66.59 0.62 0.76
2 A 3151 3151 0.00 9.25 0.75 0.86
3 A 3087 3087 6.53 200.84 0.01 0.02
4 A 1807 1807 129.04 5.77 0.50 0.67
5 A 1506 1506 22.04 30.57 0.73 0.84
6 A 1505 1505 0.01 30.11 0.75 0.86
7 A 1418 1418 12.82 2.55 0.69 0.81
8 A 1101 1101 0.00 4.47 0.58 0.73
9 A 903 903 0.00 3.56 0.75 0.86
10 A 798 798 0.83 12.02 0.16 0.27
11 A 380 380 1.09 0.36 0.53 0.70
12 A 55 55 0.00 0.05 0.75 0.86
13 B 3209 3209 9.90 53.78 0.75 0.86
14 B 3157 3157 20.94 101.44 0.75 0.86
15 B 3081 3081 1.63 0.31 0.75 0.86
16 B 1526 1526 18.40 0.36 0.75 0.86
17 B 1499 1499 0.26 1.35 0.75 0.86
18 B 1423 1423 57.04 4.46 0.75 0.86
19 B 1260 1260 69.32 0.57 0.75 0.86
20 B 1136 1136 3.13 0.02 0.75 0.86
21 B 906 906 5.51 3.81 0.75 0.86
22 B 533 533 15.43 1.85 0.75 0.86
23 B 488 488 0.51 1.15 0.75 0.86
24 B 140 140 0.05 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18639.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18639.4 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 B2PLYP=FULL/6-31G**
ABC
0.33669 0.28392 0.16331

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.182
O2 0.000 0.000 1.402
C3 0.000 1.289 -0.615
C4 0.000 -1.289 -0.615
H5 -0.001 2.139 0.063
H6 0.001 -2.139 0.063
H7 0.879 1.334 -1.263
H8 -0.878 1.334 -1.264
H9 -0.879 -1.334 -1.263
H10 0.878 -1.334 -1.264

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21961.51571.51572.14242.14242.15462.15462.15462.1546
O21.21962.39382.39382.52372.52373.10733.10763.10733.1076
C31.51572.39382.57771.08753.49431.09261.09262.84132.8408
C41.51572.39382.57773.49431.08752.84132.84081.09261.0926
H52.14242.52371.08753.49434.27811.78291.78283.82023.8201
H62.14242.52373.49431.08754.27813.82023.82011.78291.7828
H72.15463.10731.09262.84131.78293.82021.75683.19552.6682
H82.15463.10761.09262.84081.78283.82011.75682.66823.1937
H92.15463.10732.84131.09263.82021.78293.19552.66821.7568
H102.15463.10762.84081.09263.82011.78282.66823.19371.7568

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.675 C1 C3 H7 110.334
C1 C3 H8 110.331 C1 C4 H6 109.675
C1 C4 H9 110.334 C1 C4 H10 110.331
O2 C1 C3 121.755 O2 C1 C4 121.755
C3 C1 C4 116.491 H5 C3 H7 109.729
H5 C3 H8 109.723 H6 C4 H9 109.729
H6 C4 H10 109.723 H7 C3 H8 107.011
H9 C4 H10 107.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability