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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-192.956528
Energy at 298.15K-192.962468
HF Energy-192.758163
Nuclear repulsion energy119.148296
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 B2PLYP/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 3209 3209 7.95 66.71 0.62 0.76
2 A 3149 3149 0.00 9.28 0.75 0.86
3 A 3086 3086 6.58 201.04 0.01 0.02
4 A 1806 1806 128.92 5.77 0.51 0.67
5 A 1506 1506 22.02 30.62 0.73 0.84
6 A 1504 1504 0.01 30.16 0.75 0.86
7 A 1417 1417 12.68 2.54 0.69 0.81
8 A 1100 1100 0.00 4.49 0.58 0.73
9 A 903 903 0.00 3.57 0.75 0.86
10 A 798 798 0.82 12.07 0.16 0.27
11 A 379 379 1.09 0.36 0.53 0.70
12 A 55 55 0.00 0.05 0.75 0.86
13 B 3208 3208 9.96 53.90 0.75 0.86
14 B 3156 3156 21.10 101.59 0.75 0.86
15 B 3080 3080 1.65 0.31 0.75 0.86
16 B 1525 1525 18.31 0.36 0.75 0.86
17 B 1499 1499 0.25 1.36 0.75 0.86
18 B 1422 1422 56.71 4.45 0.75 0.86
19 B 1260 1260 69.43 0.58 0.75 0.86
20 B 1136 1136 3.08 0.02 0.75 0.86
21 B 906 906 5.53 3.82 0.75 0.86
22 B 532 532 15.45 1.85 0.75 0.86
23 B 487 487 0.51 1.15 0.75 0.86
24 B 140 140 0.04 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18631.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18631.1 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 B2PLYP/6-31G**
ABC
0.33654 0.28370 0.16321

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.182
O2 0.000 0.000 1.402
C3 0.000 1.289 -0.615
C4 0.000 -1.289 -0.615
H5 -0.001 2.140 0.063
H6 0.001 -2.140 0.063
H7 0.879 1.335 -1.263
H8 -0.878 1.334 -1.264
H9 -0.879 -1.335 -1.263
H10 0.878 -1.334 -1.264

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21991.51631.51632.14302.14302.15532.15532.15532.1553
O21.21992.39452.39452.52432.52433.10823.10853.10823.1085
C31.51632.39452.57871.08783.49551.09301.09302.84252.8420
C41.51632.39452.57873.49551.08782.84252.84201.09301.0930
H52.14302.52431.08783.49554.27941.78351.78343.82163.8215
H62.14302.52433.49551.08784.27943.82163.82151.78351.7834
H72.15533.10821.09302.84251.78353.82161.75743.19692.6694
H82.15533.10851.09302.84201.78343.82151.75742.66943.1951
H92.15533.10822.84251.09303.82161.78353.19692.66941.7574
H102.15533.10852.84201.09303.82151.78342.66943.19511.7574

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.665 C1 C3 H7 110.334
C1 C3 H8 110.331 C1 C4 H6 109.665
C1 C4 H9 110.334 C1 C4 H10 110.331
O2 C1 C3 121.749 O2 C1 C4 121.749
C3 C1 C4 116.502 H5 C3 H7 109.732
H5 C3 H8 109.726 H6 C4 H9 109.732
H6 C4 H10 109.726 H7 C3 H8 107.015
H9 C4 H10 107.015
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.417      
2 O -0.422      
3 C -0.396      
4 C -0.396      
5 H 0.142      
6 H 0.142      
7 H 0.128      
8 H 0.128      
9 H 0.128      
10 H 0.128      


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 -2.802 2.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.028 0.000 0.000
y 0.000 -23.667 0.000
z 0.000 0.000 -28.356
Traceless
 xyz
x 1.983 0.000 0.000
y 0.000 2.525 0.000
z 0.000 0.000 -4.508
Polar
3z2-r2-9.016
x2-y2-0.361
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.996 0.000 0.000
y 0.000 5.307 0.000
z 0.000 0.000 5.731


<r2> (average value of r2) Å2
<r2> 82.023
(<r2>)1/2 9.057