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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-190.733054
Energy at 298.15K-190.738789
HF Energy-190.733054
Nuclear repulsion energy116.073706
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 TPSSh/STO-3G
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 3495 3495 0.00 34.30 0.74 0.85
2 A 3465 3465 0.00 5.85 0.75 0.86
3 A 3308 3308 0.04 87.78 0.00 0.01
4 A 1849 1849 27.94 1.70 0.17 0.29
5 A 1668 1668 11.92 33.06 0.74 0.85
6 A 1666 1666 0.00 29.23 0.75 0.86
7 A 1537 1537 3.51 5.14 0.51 0.68
8 A 1143 1143 3.38 8.00 0.73 0.84
9 A 979 979 0.00 2.03 0.75 0.86
10 A 797 797 0.43 9.89 0.20 0.34
11 A 358 358 0.42 0.38 0.61 0.75
12 A 101 101 0.00 0.06 0.75 0.86
13 B 3494 3494 0.68 26.31 0.75 0.86
14 B 3468 3468 0.28 53.51 0.75 0.86
15 B 3305 3305 1.18 0.07 0.75 0.86
16 B 1675 1675 8.80 1.12 0.75 0.86
17 B 1669 1669 0.00 0.18 0.75 0.86
18 B 1527 1527 6.05 6.44 0.75 0.86
19 B 1266 1266 92.86 0.04 0.75 0.86
20 B 1158 1158 5.81 0.41 0.75 0.86
21 B 967 967 3.64 3.35 0.75 0.86
22 B 495 495 6.50 1.98 0.75 0.86
23 B 470 470 0.05 0.93 0.75 0.86
24 B 145 145 0.03 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20001.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20001.8 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 TPSSh/STO-3G
ABC
0.31118 0.27338 0.15407

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.206
O2 0.000 0.000 1.460
C3 0.000 1.314 -0.647
C4 0.000 -1.314 -0.647
H5 -0.000 2.198 0.010
H6 0.000 -2.198 0.010
H7 0.892 1.343 -1.295
H8 -0.892 1.343 -1.295
H9 -0.892 -1.343 -1.295
H10 0.892 -1.343 -1.295

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.25431.56651.56652.20632.20632.20262.20262.20262.2026
O21.25432.48332.48332.63292.63293.19213.19213.19213.1921
C31.56652.48332.62831.10093.57271.10311.10322.87692.8769
C41.56652.48332.62833.57271.10092.87692.87691.10311.1032
H52.20632.63291.10093.57274.39521.79701.79703.87743.8774
H62.20632.63293.57271.10094.39523.87743.87741.79701.7970
H72.20263.19211.10312.87691.79703.87741.78483.22492.6859
H82.20263.19211.10322.87691.79703.87741.78482.68593.2249
H92.20263.19212.87691.10313.87741.79703.22492.68591.7848
H102.20263.19212.87691.10323.87741.79702.68593.22491.7848

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.388 C1 C3 H7 109.974
C1 C3 H8 109.972 C1 C4 H6 110.388
C1 C4 H9 109.974 C1 C4 H10 109.972
O2 C1 C3 122.978 O2 C1 C4 122.978
C3 C1 C4 114.044 H5 C3 H7 109.237
H5 C3 H8 109.237 H6 C4 H9 109.237
H6 C4 H10 109.237 H7 C3 H8 107.989
H9 C4 H10 107.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.153      
2 O -0.174      
3 C -0.224      
4 C -0.224      
5 H 0.080      
6 H 0.080      
7 H 0.077      
8 H 0.077      
9 H 0.077      
10 H 0.077      


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 -1.703 1.703
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.939 0.000 0.000
y 0.000 2.893 0.000
z 0.000 0.000 3.320


<r2> (average value of r2) Å2
<r2> 84.439
(<r2>)1/2 9.189