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: BLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-193.151346
Energy at 298.15K-193.157111
HF Energy-193.151346
Nuclear repulsion energy118.555071
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 BLYP/6-311+G(3df,2p)
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 3059 3042 7.74 69.06 0.53 0.70
2 A 2994 2977 0.00 13.77 0.75 0.86
3 A 2954 2938 8.48 306.59 0.00 0.01
4 A 1703 1694 178.04 12.70 0.63 0.78
5 A 1438 1430 32.43 12.69 0.61 0.75
6 A 1431 1423 0.00 9.07 0.75 0.86
7 A 1348 1341 20.61 1.94 0.63 0.77
8 A 1053 1047 0.02 1.77 0.18 0.31
9 A 859 854 0.00 0.08 0.75 0.86
10 A 747 743 3.05 16.83 0.12 0.21
11 A 372 370 1.65 0.85 0.62 0.77
12 A 23 23 0.00 0.32 0.75 0.86
13 B 3058 3041 13.49 57.09 0.75 0.86
14 B 3001 2985 18.96 99.02 0.75 0.86
15 B 2947 2930 1.50 4.87 0.75 0.86
16 B 1453 1445 18.49 0.03 0.75 0.86
17 B 1427 1419 0.48 1.33 0.75 0.86
18 B 1343 1336 41.55 0.37 0.75 0.86
19 B 1185 1178 83.06 6.64 0.75 0.86
20 B 1083 1077 1.86 0.09 0.75 0.86
21 B 851 846 14.61 2.22 0.75 0.86
22 B 519 516 11.44 1.38 0.75 0.86
23 B 476 473 0.35 0.22 0.75 0.86
24 B 125 124 0.04 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17723.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17626.4 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 BLYP/6-311+G(3df,2p)
ABC
0.33412 0.27982 0.16142

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.186
O2 0.000 0.000 1.407
C3 0.000 1.298 -0.617
C4 0.000 -1.298 -0.617
H5 0.001 2.159 0.057
H6 -0.001 -2.159 0.057
H7 0.881 1.342 -1.273
H8 -0.882 1.343 -1.271
H9 -0.881 -1.342 -1.273
H10 0.882 -1.343 -1.271

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.22111.52651.52652.16242.16242.16872.16872.16872.1687
O21.22112.40452.40452.54592.54593.12363.12293.12363.1229
C31.52652.40452.59671.09283.52201.09891.09892.85932.8604
C41.52652.40452.59673.52201.09282.85932.86041.09891.0989
H52.16242.54591.09283.52204.31721.79131.79143.84693.8471
H62.16242.54593.52201.09284.31723.84693.84711.79131.7914
H72.16873.12361.09892.85931.79133.84691.76253.20982.6847
H82.16873.12291.09892.86041.79143.84711.76252.68473.2133
H92.16873.12362.85931.09893.84691.79133.20982.68471.7625
H102.16873.12292.86041.09893.84711.79142.68473.21331.7625

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.194 C1 C3 H7 110.333
C1 C3 H8 110.337 C1 C4 H6 110.194
C1 C4 H9 110.333 C1 C4 H10 110.337
O2 C1 C3 121.727 O2 C1 C4 121.727
C3 C1 C4 116.545 H5 C3 H7 109.633
H5 C3 H8 109.641 H6 C4 H9 109.633
H6 C4 H10 109.641 H7 C3 H8 106.637
H9 C4 H10 106.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.309      
2 O -0.620      
3 C -0.337      
4 C -0.337      
5 H 0.159      
6 H 0.159      
7 H 0.167      
8 H 0.167      
9 H 0.167      
10 H 0.167      


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 -3.014 3.014
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.707 -0.000 0.000
y -0.000 -24.206 0.000
z 0.000 0.000 -29.603
Traceless
 xyz
x 2.197 -0.000 0.000
y -0.000 2.948 0.000
z 0.000 0.000 -5.146
Polar
3z2-r2-10.292
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 5.171 -0.000 0.000
y -0.000 7.318 0.000
z 0.000 0.000 7.293


<r2> (average value of r2) Å2
<r2> 83.296
(<r2>)1/2 9.127