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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-193.155693
Energy at 298.15K-193.161594
HF Energy-193.155693
Nuclear repulsion energy118.964973
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 B3LYP/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 3167 3041 9.24 72.54 0.57 0.73
2 A 3101 2978 0.00 10.67 0.75 0.86
3 A 3051 2930 7.48 200.75 0.01 0.03
4 A 1824 1751 151.79 6.23 0.47 0.64
5 A 1499 1440 23.33 31.64 0.73 0.84
6 A 1495 1436 0.00 32.00 0.75 0.86
7 A 1411 1355 14.89 3.46 0.64 0.78
8 A 1096 1052 0.00 4.52 0.58 0.74
9 A 897 862 0.00 3.70 0.75 0.86
10 A 786 755 0.92 11.51 0.17 0.29
11 A 377 362 1.23 0.41 0.48 0.64
12 A 51 49 0.00 0.07 0.75 0.86
13 B 3166 3040 11.80 57.19 0.75 0.86
14 B 3108 2985 23.59 106.85 0.75 0.86
15 B 3044 2924 1.52 0.99 0.75 0.86
16 B 1516 1456 19.22 0.37 0.75 0.86
17 B 1491 1431 0.28 1.63 0.75 0.86
18 B 1413 1357 52.96 5.78 0.75 0.86
19 B 1245 1196 78.95 0.38 0.75 0.86
20 B 1131 1086 4.24 0.03 0.75 0.86
21 B 895 860 6.68 3.63 0.75 0.86
22 B 532 511 14.69 1.76 0.75 0.86
23 B 487 468 0.36 1.14 0.75 0.86
24 B 137 132 0.10 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18459.6 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 17726.7 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 B3LYP/6-31G*
ABC
0.33664 0.28182 0.16266

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.185
O2 0.000 0.000 1.401
C3 0.000 1.293 -0.615
C4 0.000 -1.293 -0.615
H5 -0.001 2.148 0.064
H6 0.001 -2.148 0.064
H7 0.882 1.342 -1.266
H8 -0.880 1.341 -1.268
H9 -0.882 -1.342 -1.266
H10 0.880 -1.341 -1.268

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21571.52061.52062.15192.15192.16462.16482.16462.1648
O21.21572.39492.39492.53072.53073.11333.11433.11333.1143
C31.52062.39492.58621.09173.50781.09741.09742.85412.8531
C41.52062.39492.58623.50781.09172.85412.85311.09741.0974
H52.15192.53071.09173.50784.29701.78841.78853.83763.8376
H62.15192.53073.50781.09174.29703.83763.83761.78841.7885
H72.16463.11331.09742.85411.78843.83761.76193.21162.6829
H82.16483.11431.09742.85311.78853.83761.76192.68293.2079
H92.16463.11332.85411.09743.83761.78843.21162.68291.7619
H102.16483.11432.85311.09743.83761.78852.68293.20791.7619

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.837 C1 C3 H7 110.504
C1 C3 H8 110.518 C1 C4 H6 109.837
C1 C4 H9 110.504 C1 C4 H10 110.518
O2 C1 C3 121.747 O2 C1 C4 121.747
C3 C1 C4 116.506 H5 C3 H7 109.564
H5 C3 H8 109.573 H6 C4 H9 109.564
H6 C4 H10 109.573 H7 C3 H8 106.794
H9 C4 H10 106.794
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.453      
2 O -0.426      
3 C -0.526      
4 C -0.526      
5 H 0.180      
6 H 0.180      
7 H 0.166      
8 H 0.166      
9 H 0.166      
10 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.816 2.816
CHELPG 0.000 0.000 -2.842 2.842
AIM        
ESP 0.001 0.000 -2.837 2.837


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.886 0.001 0.000
y 0.001 -23.492 0.000
z 0.000 0.000 -28.202
Traceless
 xyz
x 1.961 0.001 0.000
y 0.001 2.552 0.000
z 0.000 0.000 -4.513
Polar
3z2-r2-9.026
x2-y2-0.394
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.980 0.000 0.000
y 0.000 5.358 0.000
z 0.000 0.000 5.731


<r2> (average value of r2) Å2
<r2> 82.211
(<r2>)1/2 9.067