return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: wB97X-D/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-193.172392
Energy at 298.15K-193.178311
HF Energy-193.172392
Nuclear repulsion energy119.833393
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 wB97X-D/Def2TZVPP
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 3175 3033 5.72 67.60 0.60 0.75
2 A 3120 2980 0.00 9.62 0.75 0.86
3 A 3058 2921 5.70 287.58 0.00 0.01
4 A 1836 1753 199.28 9.55 0.58 0.73
5 A 1475 1409 28.46 13.97 0.66 0.80
6 A 1470 1404 0.00 12.47 0.75 0.86
7 A 1394 1332 19.30 1.60 0.74 0.85
8 A 1089 1040 0.01 2.60 0.37 0.54
9 A 888 848 0.00 0.89 0.75 0.86
10 A 799 763 1.55 13.24 0.11 0.20
11 A 386 369 1.53 0.41 0.59 0.74
12 A 36 34 0.00 0.09 0.75 0.86
13 B 3174 3031 10.59 50.92 0.75 0.86
14 B 3127 2987 15.08 93.49 0.75 0.86
15 B 3053 2916 0.95 0.50 0.75 0.86
16 B 1494 1427 21.70 0.01 0.75 0.86
17 B 1465 1399 0.77 1.25 0.75 0.86
18 B 1401 1338 70.80 0.46 0.75 0.86
19 B 1248 1192 65.79 1.82 0.75 0.86
20 B 1127 1076 3.39 0.13 0.75 0.86
21 B 896 856 6.83 1.86 0.75 0.86
22 B 542 518 15.04 1.75 0.75 0.86
23 B 495 473 0.44 0.65 0.75 0.86
24 B 139 132 0.03 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18442.8 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 17616.6 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 wB97X-D/Def2TZVPP
ABC
0.34102 0.28654 0.16517

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.187
O2 0.000 0.000 1.391
C3 0.000 1.283 -0.611
C4 0.000 -1.283 -0.611
H5 -0.000 2.140 0.057
H6 0.000 -2.140 0.057
H7 0.877 1.319 -1.259
H8 -0.877 1.319 -1.260
H9 -0.877 -1.319 -1.259
H10 0.877 -1.319 -1.260

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20451.51051.51052.14362.14362.14512.14522.14512.1452
O21.20452.37782.37782.52162.52163.08813.08843.08813.0884
C31.51052.37782.56541.08653.48691.09171.09172.82142.8211
C41.51052.37782.56543.48691.08652.82142.82111.09171.0917
H52.14362.52161.08653.48694.27941.78241.78243.80343.8034
H62.14362.52163.48691.08654.27943.80343.80341.78241.7824
H72.14513.08811.09172.82141.78243.80341.75443.16862.6380
H82.14523.08841.09172.82111.78243.80341.75442.63803.1677
H92.14513.08812.82141.09173.80341.78243.16862.63801.7544
H102.14523.08842.82111.09173.80341.78242.63803.16771.7544

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.197 C1 C3 H7 110.004
C1 C3 H8 110.008 C1 C4 H6 110.197
C1 C4 H9 110.004 C1 C4 H10 110.008
O2 C1 C3 121.875 O2 C1 C4 121.875
C3 C1 C4 116.250 H5 C3 H7 109.821
H5 C3 H8 109.823 H6 C4 H9 109.821
H6 C4 H10 109.823 H7 C3 H8 106.932
H9 C4 H10 106.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.213      
2 O -0.320      
3 C -0.209      
4 C -0.209      
5 H 0.099      
6 H 0.099      
7 H 0.082      
8 H 0.082      
9 H 0.082      
10 H 0.082      


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 -3.030 3.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.082 0.000 0.000
y 0.000 -23.462 0.000
z 0.000 0.000 -28.799
Traceless
 xyz
x 2.049 0.000 0.000
y 0.000 2.979 0.000
z 0.000 0.000 -5.027
Polar
3z2-r2-10.054
x2-y2-0.620
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.768 0.000 0.000
y 0.000 6.282 0.000
z 0.000 0.000 6.536


<r2> (average value of r2) Å2
<r2> 81.358
(<r2>)1/2 9.020