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: TPSSh/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-193.250986
Energy at 298.15K-193.256828
HF Energy-193.250986
Nuclear repulsion energy119.400322
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/aug-cc-pVQZ
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 3139 3139 8.25 67.94 0.53 0.69
2 A 3075 3075 0.00 12.03 0.75 0.86
3 A 3026 3026 8.82 324.92 0.00 0.01
4 A 1769 1769 184.37 12.74 0.56 0.72
5 A 1479 1479 31.01 12.39 0.60 0.75
6 A 1475 1475 0.00 8.58 0.75 0.86
7 A 1388 1388 16.21 1.49 0.59 0.74
8 A 1083 1083 0.06 1.83 0.18 0.30
9 A 877 877 0.00 0.21 0.75 0.86
10 A 779 779 1.90 16.48 0.11 0.20
11 A 365 365 1.48 0.66 0.63 0.77
12 A 36 36 0.00 0.21 0.75 0.86
13 B 3138 3138 14.23 53.95 0.75 0.86
14 B 3081 3081 20.86 96.06 0.75 0.86
15 B 3020 3020 1.42 2.64 0.75 0.86
16 B 1497 1497 17.44 0.03 0.75 0.86
17 B 1469 1469 0.24 1.14 0.75 0.86
18 B 1388 1388 47.87 0.10 0.75 0.86
19 B 1233 1233 73.50 5.71 0.75 0.86
20 B 1115 1115 1.62 0.15 0.75 0.86
21 B 881 881 9.62 1.73 0.75 0.86
22 B 523 523 14.11 1.19 0.75 0.86
23 B 478 478 0.49 0.31 0.75 0.86
24 B 128 128 0.06 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18220.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18220.8 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/aug-cc-pVQZ
ABC
0.33893 0.28413 0.16389

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVQZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.184
O2 0.000 0.000 1.397
C3 0.000 1.289 -0.612
C4 0.000 -1.289 -0.612
H5 -0.001 2.144 0.059
H6 0.001 -2.144 0.059
H7 0.879 1.329 -1.262
H8 -0.877 1.328 -1.264
H9 -0.879 -1.329 -1.262
H10 0.877 -1.328 -1.264

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21261.51481.51482.14722.14722.15142.15162.15142.1516
O21.21262.38672.38672.52662.52663.09923.10033.09923.1003
C31.51482.38672.57711.08733.49731.09331.09332.83642.8354
C41.51482.38672.57713.49731.08732.83642.83541.09331.0933
H52.14722.52661.08733.49734.28721.78401.78413.81763.8176
H62.14722.52663.49731.08734.28723.81763.81761.78401.7841
H72.15143.09921.09332.83641.78403.81761.75553.18632.6569
H82.15163.10031.09332.83541.78413.81761.75552.65693.1826
H92.15143.09922.83641.09333.81761.78403.18632.65691.7555
H102.15163.10032.83541.09333.81761.78412.65693.18261.7555

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.133 C1 C3 H7 110.108
C1 C3 H8 110.123 C1 C4 H6 110.133
C1 C4 H9 110.108 C1 C4 H10 110.123
O2 C1 C3 121.720 O2 C1 C4 121.720
C3 C1 C4 116.561 H5 C3 H7 109.803
H5 C3 H8 109.812 H6 C4 H9 109.803
H6 C4 H10 109.812 H7 C3 H8 106.806
H9 C4 H10 106.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.618      
2 O -0.454      
3 C -1.186      
4 C -1.186      
5 H 0.399      
6 H 0.399      
7 H 0.353      
8 H 0.353      
9 H 0.353      
10 H 0.353      


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 -3.006 3.006
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 5.081 0.000 0.000
y 0.000 7.009 0.000
z 0.000 0.000 7.017


<r2> (average value of r2) Å2
<r2> 81.960
(<r2>)1/2 9.053