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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-193.104479
Energy at 298.15K-193.110372
HF Energy-193.104479
Nuclear repulsion energy119.422356
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 3203 3037 6.78 71.50 0.60 0.75
2 A 3141 2979 0.00 10.13 0.75 0.86
3 A 3080 2921 5.78 204.85 0.01 0.02
4 A 1859 1763 161.75 6.66 0.47 0.64
5 A 1501 1423 25.52 30.39 0.73 0.84
6 A 1496 1419 0.00 30.48 0.75 0.86
7 A 1413 1340 17.76 3.00 0.69 0.82
8 A 1098 1041 0.07 4.10 0.56 0.72
9 A 895 848 0.00 3.58 0.75 0.86
10 A 806 764 0.79 11.06 0.17 0.28
11 A 378 358 1.34 0.36 0.50 0.67
12 A 39 37 0.00 0.07 0.75 0.86
13 B 3202 3037 9.44 56.24 0.75 0.86
14 B 3148 2985 17.47 106.57 0.75 0.86
15 B 3074 2915 1.21 0.58 0.75 0.86
16 B 1519 1441 23.28 0.35 0.75 0.86
17 B 1492 1414 0.32 1.60 0.75 0.86
18 B 1420 1347 74.38 4.97 0.75 0.86
19 B 1260 1195 70.78 0.62 0.75 0.86
20 B 1134 1076 5.35 0.00 0.75 0.86
21 B 902 856 4.19 3.40 0.75 0.86
22 B 535 507 14.87 1.67 0.75 0.86
23 B 491 465 0.23 1.06 0.75 0.86
24 B 137 130 0.12 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18610.6 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 17648.5 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
0.33880 0.28472 0.16410

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 0.185
O2 0.000 0.000 1.396
C3 0.000 1.286 -0.613
C4 0.000 -1.286 -0.613
H5 0.001 2.141 0.064
H6 -0.001 -2.141 0.064
H7 0.879 1.333 -1.264
H8 -0.880 1.333 -1.264
H9 -0.879 -1.333 -1.264
H10 0.880 -1.333 -1.264

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21151.51311.51312.14442.14442.15622.15622.15622.1562
O21.21152.38522.38522.52182.52183.10303.10263.10303.1026
C31.51312.38522.57181.09013.49301.09551.09552.83822.8386
C41.51312.38522.57183.49301.09012.83822.83861.09551.0955
H52.14442.52181.09013.49304.28191.78581.78583.82163.8216
H62.14442.52183.49301.09014.28193.82163.82161.78581.7858
H72.15623.10301.09552.83821.78583.82161.75903.19332.6660
H82.15623.10261.09552.83861.78583.82161.75902.66603.1948
H92.15623.10302.83821.09553.82161.78583.19332.66601.7590
H102.15623.10262.83861.09553.82161.78582.66603.19481.7590

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.857 C1 C3 H7 110.481
C1 C3 H8 110.479 C1 C4 H6 109.857
C1 C4 H9 110.481 C1 C4 H10 110.479
O2 C1 C3 121.802 O2 C1 C4 121.802
C3 C1 C4 116.396 H5 C3 H7 109.581
H5 C3 H8 109.581 H6 C4 H9 109.581
H6 C4 H10 109.581 H7 C3 H8 106.809
H9 C4 H10 106.809
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 0.458      
2 O -0.433      
3 C -0.608      
4 C -0.608      
5 H 0.210      
6 H 0.210      
7 H 0.193      
8 H 0.193      
9 H 0.193      
10 H 0.193      


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 -2.870 2.870
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.765 -0.000 0.000
y -0.000 -23.264 0.000
z 0.000 0.000 -28.033
Traceless
 xyz
x 1.883 -0.000 0.000
y -0.000 2.635 0.000
z 0.000 0.000 -4.518
Polar
3z2-r2-9.037
x2-y2-0.501
xy-0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.968 0.000 0.000
y 0.000 5.293 0.000
z 0.000 0.000 5.705


<r2> (average value of r2) Å2
<r2> 81.544
(<r2>)1/2 9.030