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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-193.004061
Energy at 298.15K-193.010035
HF Energy-192.767410
Nuclear repulsion energy119.424052
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(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 3193 3193 6.57 63.16 0.63 0.77
2 A 3138 3138 0.00 8.55 0.75 0.86
3 A 3075 3075 5.04 194.81 0.01 0.02
4 A 1807 1807 134.79 6.35 0.46 0.63
5 A 1489 1489 22.44 26.44 0.72 0.84
6 A 1488 1488 0.06 24.71 0.75 0.86
7 A 1398 1398 13.68 2.32 0.63 0.77
8 A 1092 1092 0.01 3.78 0.52 0.68
9 A 893 893 0.00 1.95 0.75 0.86
10 A 795 795 1.16 12.52 0.14 0.24
11 A 376 376 1.16 0.33 0.57 0.73
12 A 67 67 0.00 0.04 0.75 0.86
13 B 3192 3192 8.91 50.75 0.75 0.86
14 B 3144 3144 15.20 95.16 0.75 0.86
15 B 3069 3069 1.24 0.28 0.75 0.86
16 B 1511 1511 16.30 0.21 0.75 0.86
17 B 1480 1480 0.13 1.14 0.75 0.86
18 B 1402 1402 55.01 2.97 0.75 0.86
19 B 1247 1247 68.43 0.95 0.75 0.86
20 B 1127 1127 3.36 0.05 0.75 0.86
21 B 896 896 6.41 3.05 0.75 0.86
22 B 528 528 14.89 1.55 0.75 0.86
23 B 493 493 0.45 0.74 0.75 0.86
24 B 150 150 0.01 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18524.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18524.3 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(2df,p)
ABC
0.33736 0.28544 0.16397

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=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 1.399
C3 0.000 1.285 -0.615
C4 0.000 -1.285 -0.615
H5 0.001 2.141 0.056
H6 -0.001 -2.141 0.056
H7 0.878 1.324 -1.265
H8 -0.878 1.325 -1.264
H9 -0.878 -1.324 -1.265
H10 0.878 -1.325 -1.264

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21081.51561.51562.14552.14552.15322.15332.15322.1533
O21.21082.38932.38932.52792.52793.10193.10173.10193.1017
C31.51562.38932.57021.08793.49161.09291.09292.82882.8293
C41.51562.38932.57023.49161.08792.82882.82931.09291.0929
H52.14552.52791.08793.49164.28281.78371.78383.81153.8116
H62.14552.52793.49161.08794.28283.81153.81161.78371.7838
H72.15323.10191.09292.82881.78373.81151.75623.17782.6492
H82.15333.10171.09292.82931.78383.81161.75622.64923.1792
H92.15323.10192.82881.09293.81151.78373.17782.64921.7562
H102.15333.10172.82931.09293.81161.78382.64923.17921.7562

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.903 C1 C3 H7 110.220
C1 C3 H8 110.229 C1 C4 H6 109.903
C1 C4 H9 110.220 C1 C4 H10 110.229
O2 C1 C3 122.015 O2 C1 C4 122.015
C3 C1 C4 115.969 H5 C3 H7 109.751
H5 C3 H8 109.762 H6 C4 H9 109.751
H6 C4 H10 109.762 H7 C3 H8 106.930
H9 C4 H10 106.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability