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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-192.819647
Energy at 298.15K-192.825677
HF Energy-192.681448
Nuclear repulsion energy118.259973
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 3189 3189 7.67 66.74 0.62 0.76
2 A 3128 3128 0.00 9.52 0.75 0.86
3 A 3067 3067 7.99 208.33 0.01 0.02
4 A 1696 1696 82.38 2.44 0.48 0.65
5 A 1532 1532 0.00 36.96 0.75 0.86
6 A 1530 1530 37.79 37.87 0.73 0.84
7 A 1459 1459 19.59 3.12 0.67 0.80
8 A 1122 1122 0.10 6.12 0.61 0.76
9 A 949 949 0.00 4.68 0.75 0.86
10 A 800 800 0.29 12.50 0.15 0.26
11 A 388 388 1.13 0.47 0.57 0.72
12 A 74 74 0.00 0.10 0.75 0.86
13 B 3188 3188 12.43 54.76 0.75 0.86
14 B 3135 3135 24.17 107.67 0.75 0.86
15 B 3061 3061 2.24 0.58 0.75 0.86
16 B 1549 1549 27.20 0.42 0.75 0.86
17 B 1528 1528 1.22 1.83 0.75 0.86
18 B 1451 1451 46.29 6.52 0.75 0.86
19 B 1286 1286 85.95 0.00 0.75 0.86
20 B 1165 1165 4.21 0.01 0.75 0.86
21 B 944 944 4.48 4.04 0.75 0.86
22 B 533 533 15.38 2.60 0.75 0.86
23 B 495 495 0.21 1.54 0.75 0.86
24 B 142 142 0.11 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18705.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18705.1 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 B2PLYP=FULL/6-31G
ABC
0.33013 0.28146 0.16105

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 0.170
O2 0.000 0.000 1.420
C3 0.000 1.294 -0.620
C4 0.000 -1.294 -0.620
H5 0.001 2.142 0.066
H6 -0.001 -2.142 0.066
H7 0.882 1.348 -1.269
H8 -0.883 1.349 -1.268
H9 -0.882 -1.348 -1.269
H10 0.883 -1.349 -1.268

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.24981.51621.51622.14452.14452.16062.16052.16062.1605
O21.24982.41602.41602.53402.53403.13493.13453.13493.1345
C31.51622.41602.58761.09103.50361.09651.09652.86022.8606
C41.51622.41602.58763.50361.09102.86022.86061.09651.0965
H52.14452.53401.09103.50364.28381.78581.78583.83983.8398
H62.14452.53403.50361.09104.28383.83983.83981.78581.7858
H72.16063.13491.09652.86021.78583.83981.76553.22292.6973
H82.16053.13451.09652.86061.78583.83981.76552.69733.2244
H92.16063.13492.86021.09653.83981.78583.22292.69731.7655
H102.16053.13452.86061.09653.83981.78582.69733.22441.7655

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.593 C1 C3 H7 110.544
C1 C3 H8 110.539 C1 C4 H6 109.593
C1 C4 H9 110.544 C1 C4 H10 110.539
O2 C1 C3 121.427 O2 C1 C4 121.427
C3 C1 C4 117.145 H5 C3 H7 109.449
H5 C3 H8 109.445 H6 C4 H9 109.449
H6 C4 H10 109.445 H7 C3 H8 107.231
H9 C4 H10 107.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability