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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-36.480742
Energy at 298.15K-36.486653
HF Energy-36.480742
Nuclear repulsion energy65.794056
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 B3LYP/CEP-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 3170 3070 23.05 77.48 0.61 0.76
2 A 3110 3012 0.00 8.92 0.75 0.86
3 A 3043 2946 15.85 297.14 0.01 0.02
4 A 1678 1625 127.96 6.13 0.38 0.55
5 A 1481 1434 0.01 29.53 0.75 0.86
6 A 1479 1432 44.39 27.61 0.70 0.83
7 A 1414 1369 27.12 5.81 0.50 0.67
8 A 1088 1053 0.06 9.55 0.73 0.84
9 A 914 885 0.00 9.62 0.75 0.86
10 A 789 764 0.15 16.92 0.16 0.27
11 A 369 357 1.80 0.84 0.67 0.80
12 A 58 57 0.00 0.32 0.75 0.86
13 B 3167 3066 29.28 56.58 0.75 0.86
14 B 3118 3019 66.95 110.93 0.75 0.86
15 B 3038 2942 5.99 0.10 0.75 0.86
16 B 1498 1451 38.29 0.67 0.75 0.86
17 B 1473 1426 1.44 2.05 0.75 0.86
18 B 1411 1367 65.58 2.99 0.75 0.86
19 B 1263 1223 81.26 0.34 0.75 0.86
20 B 1125 1090 6.80 0.24 0.75 0.86
21 B 915 886 2.16 5.97 0.75 0.86
22 B 516 500 13.84 3.45 0.75 0.86
23 B 487 471 0.02 0.68 0.75 0.86
24 B 138 134 0.01 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18369.0 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 17788.6 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 B3LYP/CEP-31G
ABC
0.32289 0.27441 0.15715

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.177
O2 0.000 0.000 1.436
C3 0.000 1.312 -0.628
C4 0.000 -1.312 -0.628
H5 0.001 2.172 0.057
H6 -0.001 -2.172 0.057
H7 0.888 1.359 -1.283
H8 -0.889 1.360 -1.282
H9 -0.888 -1.359 -1.283
H10 0.889 -1.360 -1.282

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.25941.53851.53852.17552.17552.18352.18342.18352.1834
O21.25942.44512.44512.57312.57313.16723.16663.16723.1666
C31.53852.44512.62321.09953.55041.10531.10532.88982.8906
C41.53852.44512.62323.55041.09952.88982.89061.10531.1053
H52.17552.57311.09953.55044.34441.80151.80143.88023.8802
H62.17552.57313.55041.09954.34443.88023.88021.80151.8014
H72.18353.16721.10532.88981.80153.88021.77783.24702.7186
H82.18343.16661.10532.89061.80143.88021.77782.71863.2496
H92.18353.16722.88981.10533.88021.80153.24702.71861.7778
H102.18343.16662.89061.10533.88021.80142.71863.24961.7778

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.997 C1 C3 H7 110.281
C1 C3 H8 110.277 C1 C4 H6 109.997
C1 C4 H9 110.281 C1 C4 H10 110.277
O2 C1 C3 121.512 O2 C1 C4 121.512
C3 C1 C4 116.976 H5 C3 H7 109.582
H5 C3 H8 109.580 H6 C4 H9 109.582
H6 C4 H10 109.580 H7 C3 H8 107.074
H9 C4 H10 107.074
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.184      
2 O -0.085      
3 C -0.348      
4 C -0.348      
5 H 0.195      
6 H 0.195      
7 H 0.144      
8 H 0.144      
9 H 0.144      
10 H 0.144      


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 -3.505 3.505
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.979 -0.000 0.000
y -0.000 -23.254 0.000
z 0.000 0.000 -29.584
Traceless
 xyz
x 2.440 -0.000 0.000
y -0.000 3.528 0.000
z 0.000 0.000 -5.968
Polar
3z2-r2-11.936
x2-y2-0.725
xy-0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.824 -0.000 0.000
y -0.000 5.177 0.000
z 0.000 0.000 6.048


<r2> (average value of r2) Å2
<r2> 71.979
(<r2>)1/2 8.484