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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: wB97X-D/3-21G

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/3-21G
 hartrees
Energy at 0K-192.032911
Energy at 298.15K-192.038941
HF Energy-192.032911
Nuclear repulsion energy118.742120
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/3-21G
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 3197 3197 4.00 69.85 0.62 0.77
2 A 3142 3142 0.00 6.91 0.75 0.86
3 A 3084 3084 2.84 175.19 0.01 0.02
4 A 1802 1802 98.11 3.78 0.56 0.72
5 A 1536 1536 0.00 39.55 0.75 0.86
6 A 1529 1529 31.18 39.08 0.74 0.85
7 A 1449 1449 34.57 3.59 0.70 0.82
8 A 1119 1119 0.26 4.70 0.59 0.74
9 A 943 943 0.00 3.28 0.75 0.86
10 A 777 777 0.56 11.81 0.17 0.29
11 A 394 394 1.08 0.28 0.38 0.56
12 A 62 62 0.00 0.07 0.75 0.86
13 B 3195 3195 8.42 49.60 0.75 0.86
14 B 3149 3149 11.06 100.41 0.75 0.86
15 B 3078 3078 0.35 0.04 0.75 0.86
16 B 1562 1562 35.55 0.36 0.75 0.86
17 B 1523 1523 1.88 0.77 0.75 0.86
18 B 1439 1439 66.87 7.21 0.75 0.86
19 B 1240 1240 102.68 0.00 0.75 0.86
20 B 1166 1166 10.03 0.00 0.75 0.86
21 B 915 915 7.66 2.85 0.75 0.86
22 B 520 520 12.29 2.17 0.75 0.86
23 B 518 518 0.08 1.36 0.75 0.86
24 B 153 153 0.55 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18746.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18746.2 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/3-21G
ABC
0.32579 0.28874 0.16238

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.197
O2 0.000 0.000 1.425
C3 0.000 1.277 -0.629
C4 0.000 -1.277 -0.629
H5 -0.001 2.144 0.032
H6 0.001 -2.144 0.032
H7 0.885 1.304 -1.275
H8 -0.884 1.303 -1.276
H9 -0.885 -1.304 -1.275
H10 0.884 -1.303 -1.276

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.22811.52071.52072.15042.15042.15652.15652.15652.1565
O21.22812.41872.41872.55692.55693.12633.12673.12633.1267
C31.52072.41872.55311.09093.48391.09591.09592.80342.8029
C41.52072.41872.55313.48391.09092.80342.80291.09591.0959
H52.15042.55691.09093.48394.28811.78841.78843.79203.7920
H62.15042.55693.48391.09094.28813.79203.79201.78841.7884
H72.15653.12631.09592.80341.78843.79201.76963.15202.6074
H82.15653.12671.09592.80291.78843.79201.76962.60743.1503
H92.15653.12632.80341.09593.79201.78843.15202.60741.7696
H102.15653.12672.80291.09593.79201.78842.60743.15031.7696

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.764 C1 C3 H7 109.944
C1 C3 H8 109.951 C1 C4 H6 109.764
C1 C4 H9 109.944 C1 C4 H10 109.951
O2 C1 C3 122.917 O2 C1 C4 122.917
C3 C1 C4 114.166 H5 C3 H7 109.733
H5 C3 H8 109.740 H6 C4 H9 109.733
H6 C4 H10 109.740 H7 C3 H8 107.680
H9 C4 H10 107.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.414      
2 O -0.444      
3 C -0.697      
4 C -0.697      
5 H 0.248      
6 H 0.248      
7 H 0.232      
8 H 0.232      
9 H 0.232      
10 H 0.232      


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 -2.840 2.840
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.006 0.001 0.000
y 0.001 -23.515 0.000
z 0.000 0.000 -28.252
Traceless
 xyz
x 1.878 0.001 0.000
y 0.001 2.614 0.000
z 0.000 0.000 -4.492
Polar
3z2-r2-8.984
x2-y2-0.491
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.620 0.000 0.000
y 0.000 4.819 0.000
z 0.000 0.000 5.310


<r2> (average value of r2) Å2
<r2> 82.195
(<r2>)1/2 9.066