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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-190.655943
Energy at 298.15K-190.661758
HF Energy-190.655943
Nuclear repulsion energy116.830469
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 mPW1PW91/STO-3G
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 3543 3114 0.24 32.26 0.74 0.85
2 A 3514 3089 0.00 5.36 0.75 0.86
3 A 3350 2944 0.13 82.71 0.00 0.01
4 A 1903 1672 30.02 2.25 0.19 0.32
5 A 1673 1470 13.78 32.08 0.74 0.85
6 A 1669 1467 0.00 27.88 0.75 0.86
7 A 1550 1362 5.26 4.55 0.54 0.70
8 A 1158 1018 4.13 7.20 0.73 0.84
9 A 995 874 0.00 1.84 0.75 0.86
10 A 827 727 0.19 8.74 0.20 0.34
11 A 370 325 0.58 0.32 0.62 0.77
12 A 103 91 0.00 0.05 0.75 0.86
13 B 3542 3113 0.12 24.71 0.75 0.86
14 B 3516 3091 0.02 51.26 0.75 0.86
15 B 3347 2942 1.70 0.09 0.75 0.86
16 B 1678 1475 12.28 1.12 0.75 0.86
17 B 1672 1470 0.08 0.18 0.75 0.86
18 B 1542 1356 14.65 5.97 0.75 0.86
19 B 1302 1145 87.01 0.08 0.75 0.86
20 B 1179 1036 8.36 0.30 0.75 0.86
21 B 992 871 1.14 2.99 0.75 0.86
22 B 510 449 7.45 1.82 0.75 0.86
23 B 485 426 0.03 0.97 0.75 0.86
24 B 151 133 0.03 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20284.9 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 17828.4 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 mPW1PW91/STO-3G
ABC
0.31606 0.27674 0.15626

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.202
O2 0.000 0.000 1.449
C3 0.000 1.306 -0.641
C4 0.000 -1.306 -0.641
H5 -0.000 2.184 0.016
H6 0.000 -2.184 0.016
H7 0.889 1.337 -1.286
H8 -0.889 1.337 -1.286
H9 -0.889 -1.337 -1.286
H10 0.889 -1.337 -1.286

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.24661.55431.55432.19182.19182.18912.18912.18912.1891
O21.24662.46412.46412.61202.61203.17133.17143.17133.1714
C31.55432.46412.61131.09673.55081.09871.09872.86172.8615
C41.55432.46412.61133.55081.09672.86172.86151.09871.0987
H52.19182.61201.09673.55084.36781.78971.78973.85753.8575
H62.19182.61203.55081.09674.36783.85753.85751.78971.7897
H72.18913.17131.09872.86171.78973.85751.77753.21082.6735
H82.18913.17141.09872.86151.78973.85751.77752.67353.2102
H92.18913.17132.86171.09873.85751.78973.21082.67351.7775
H102.18913.17142.86151.09873.85751.78972.67353.21021.7775

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.353 C1 C3 H7 110.022
C1 C3 H8 110.022 C1 C4 H6 110.353
C1 C4 H9 110.022 C1 C4 H10 110.022
O2 C1 C3 122.854 O2 C1 C4 122.854
C3 C1 C4 114.292 H5 C3 H7 109.212
H5 C3 H8 109.212 H6 C4 H9 109.212
H6 C4 H10 109.212 H7 C3 H8 107.975
H9 C4 H10 107.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.163      
2 O -0.184      
3 C -0.256      
4 C -0.256      
5 H 0.091      
6 H 0.091      
7 H 0.088      
8 H 0.088      
9 H 0.088      
10 H 0.088      


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 -1.813 1.813
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.299 0.000 0.000
y 0.000 -22.267 0.000
z 0.000 0.000 -25.315
Traceless
 xyz
x 1.493 0.000 0.000
y 0.000 1.539 0.000
z 0.000 0.000 -3.032
Polar
3z2-r2-6.064
x2-y2-0.031
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.899 0.000 0.000
y 0.000 2.762 0.000
z 0.000 0.000 3.253


<r2> (average value of r2) Å2
<r2> 83.438
(<r2>)1/2 9.134