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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-192.941096
Energy at 298.15K-192.947037
HF Energy-192.749097
Nuclear repulsion energy119.089550
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 3203 3038 7.97 67.94 0.61 0.75
2 A 3143 2981 0.00 9.43 0.75 0.86
3 A 3085 2926 6.65 194.39 0.01 0.03
4 A 1808 1715 128.50 5.56 0.50 0.67
5 A 1519 1441 24.50 31.79 0.73 0.84
6 A 1516 1438 0.00 31.28 0.75 0.86
7 A 1432 1358 13.44 2.47 0.70 0.82
8 A 1108 1051 0.00 4.81 0.58 0.74
9 A 912 865 0.00 3.92 0.75 0.86
10 A 799 758 0.80 11.88 0.16 0.28
11 A 380 361 1.08 0.36 0.52 0.68
12 A 55 52 0.00 0.06 0.75 0.86
13 B 3202 3037 10.06 54.59 0.75 0.86
14 B 3150 2987 21.14 103.61 0.75 0.86
15 B 3079 2920 1.56 0.40 0.75 0.86
16 B 1537 1457 19.94 0.38 0.75 0.86
17 B 1513 1434 0.33 1.44 0.75 0.86
18 B 1435 1361 56.24 4.82 0.75 0.86
19 B 1267 1201 71.41 0.44 0.75 0.86
20 B 1146 1087 3.53 0.02 0.75 0.86
21 B 912 865 5.42 3.96 0.75 0.86
22 B 534 507 15.23 1.83 0.75 0.86
23 B 490 464 0.46 1.17 0.75 0.86
24 B 139 132 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18680.2 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 17716.3 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*
ABC
0.33634 0.28344 0.16311

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 0.183
O2 0.000 0.000 1.402
C3 0.000 1.289 -0.615
C4 0.000 -1.289 -0.615
H5 -0.001 2.142 0.064
H6 0.001 -2.142 0.064
H7 0.880 1.337 -1.265
H8 -0.880 1.336 -1.265
H9 -0.880 -1.337 -1.265
H10 0.880 -1.336 -1.265

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21961.51661.51662.14492.14492.15802.15802.15802.1580
O21.21962.39472.39472.52562.52563.11053.11083.11053.1108
C31.51662.39472.57901.08973.49771.09491.09492.84492.8445
C41.51662.39472.57903.49771.08972.84492.84451.09491.0949
H52.14492.52561.08973.49774.28321.78561.78563.82593.8259
H62.14492.52563.49771.08974.28323.82593.82591.78561.7856
H72.15803.11051.09492.84491.78563.82591.76023.20122.6730
H82.15803.11081.09492.84451.78563.82591.76022.67303.1998
H92.15803.11052.84491.09493.82591.78563.20122.67301.7602
H102.15803.11082.84451.09493.82591.78562.67303.19981.7602

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.683 C1 C3 H7 110.414
C1 C3 H8 110.411 C1 C4 H6 109.683
C1 C4 H9 110.414 C1 C4 H10 110.411
O2 C1 C3 121.759 O2 C1 C4 121.759
C3 C1 C4 116.482 H5 C3 H7 109.649
H5 C3 H8 109.644 H6 C4 H9 109.649
H6 C4 H10 109.644 H7 C3 H8 106.999
H9 C4 H10 106.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability