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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-193.112614
Energy at 298.15K-193.118517
HF Energy-193.112614
Nuclear repulsion energy119.485923
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 mPW1PW91/6-31G**
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 3202 3047 6.17 70.34 0.61 0.76
2 A 3142 2989 0.00 10.10 0.75 0.86
3 A 3075 2926 5.33 213.05 0.01 0.02
4 A 1857 1767 162.70 6.84 0.47 0.64
5 A 1482 1411 23.41 29.44 0.73 0.84
6 A 1479 1408 0.00 29.64 0.75 0.86
7 A 1395 1328 17.94 3.18 0.68 0.81
8 A 1088 1036 0.12 3.80 0.55 0.71
9 A 884 841 0.00 3.30 0.75 0.86
10 A 804 765 0.78 11.21 0.16 0.28
11 A 378 360 1.43 0.34 0.52 0.68
12 A 44 41 0.00 0.06 0.75 0.86
13 B 3201 3046 8.78 55.92 0.75 0.86
14 B 3148 2995 16.22 105.03 0.75 0.86
15 B 3069 2920 1.10 0.49 0.75 0.86
16 B 1503 1430 22.39 0.36 0.75 0.86
17 B 1472 1401 0.29 1.53 0.75 0.86
18 B 1406 1337 80.05 4.69 0.75 0.86
19 B 1252 1191 66.15 0.82 0.75 0.86
20 B 1124 1069 5.13 0.00 0.75 0.86
21 B 895 852 4.00 3.31 0.75 0.86
22 B 534 508 15.05 1.67 0.75 0.86
23 B 490 466 0.21 1.05 0.75 0.86
24 B 137 130 0.12 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18530.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 17631.5 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 mPW1PW91/6-31G**
ABC
0.33917 0.28502 0.16426

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.184
O2 0.000 0.000 1.396
C3 0.000 1.286 -0.612
C4 0.000 -1.286 -0.612
H5 -0.001 2.139 0.064
H6 0.001 -2.139 0.064
H7 0.879 1.332 -1.263
H8 -0.878 1.331 -1.263
H9 -0.879 -1.332 -1.263
H10 0.878 -1.331 -1.263

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21161.51221.51222.14222.14222.15392.15402.15392.1540
O21.21162.38422.38422.51942.51943.10063.10093.10063.1009
C31.51222.38422.57111.08913.49071.09441.09442.83662.8362
C41.51222.38422.57113.49071.08912.83662.83621.09441.0944
H52.14222.51941.08913.49074.27781.78491.78493.81833.8182
H62.14222.51943.49071.08914.27783.81833.81821.78491.7849
H72.15393.10061.09442.83661.78493.81831.75713.19142.6633
H82.15403.10091.09442.83621.78493.81821.75712.66333.1901
H92.15393.10062.83661.09443.81831.78493.19142.66331.7571
H102.15403.10092.83621.09443.81821.78492.66333.19011.7571

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.812 C1 C3 H7 110.425
C1 C3 H8 110.427 C1 C4 H6 109.812
C1 C4 H9 110.425 C1 C4 H10 110.427
O2 C1 C3 121.775 O2 C1 C4 121.775
C3 C1 C4 116.449 H5 C3 H7 109.666
H5 C3 H8 109.665 H6 C4 H9 109.666
H6 C4 H10 109.665 H7 C3 H8 106.798
H9 C4 H10 106.798
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.427      
2 O -0.435      
3 C -0.472      
4 C -0.472      
5 H 0.169      
6 H 0.169      
7 H 0.154      
8 H 0.153      
9 H 0.154      
10 H 0.153      


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 -2.884 2.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.773 0.000 0.000
y 0.000 -23.184 0.000
z 0.000 0.000 -28.005
Traceless
 xyz
x 1.822 0.000 0.000
y 0.000 2.704 0.000
z 0.000 0.000 -4.526
Polar
3z2-r2-9.053
x2-y2-0.588
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.025 0.000 0.000
y 0.000 5.373 0.000
z 0.000 0.000 5.757


<r2> (average value of r2) Å2
<r2> 81.445
(<r2>)1/2 9.025