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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: HSEh1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/3-21G*
 hartrees
Energy at 0K-191.880779
Energy at 298.15K-191.886792
HF Energy-191.880779
Nuclear repulsion energy118.824256
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 HSEh1PBE/3-21G*
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 3188 3061 4.03 68.93 0.61 0.76
2 A 3130 3004 0.00 7.67 0.75 0.86
3 A 3072 2949 2.82 178.38 0.01 0.02
4 A 1788 1716 92.58 3.47 0.47 0.64
5 A 1527 1466 0.00 38.65 0.75 0.86
6 A 1519 1458 32.49 38.48 0.74 0.85
7 A 1434 1376 33.24 4.01 0.65 0.79
8 A 1111 1066 0.22 4.38 0.56 0.72
9 A 932 894 0.00 3.07 0.75 0.86
10 A 783 752 0.62 10.90 0.17 0.29
11 A 387 371 1.05 0.29 0.39 0.56
12 A 69 66 0.00 0.08 0.75 0.86
13 B 3187 3060 9.21 49.35 0.75 0.86
14 B 3138 3012 10.40 98.41 0.75 0.86
15 B 3066 2943 0.27 0.27 0.75 0.86
16 B 1553 1491 33.80 0.34 0.75 0.86
17 B 1513 1452 1.23 1.09 0.75 0.86
18 B 1424 1367 66.95 7.92 0.75 0.86
19 B 1240 1190 101.96 0.00 0.75 0.86
20 B 1156 1110 9.59 0.00 0.75 0.86
21 B 909 873 6.95 2.61 0.75 0.86
22 B 515 494 12.21 2.08 0.75 0.86
23 B 513 493 0.18 1.28 0.75 0.86
24 B 155 148 0.68 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18652.9 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 17904.9 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 HSEh1PBE/3-21G*
ABC
0.32604 0.28986 0.16279

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.195
O2 0.000 0.000 1.425
C3 0.000 1.273 -0.628
C4 0.000 -1.273 -0.628
H5 -0.000 2.140 0.035
H6 0.000 -2.140 0.035
H7 0.885 1.303 -1.276
H8 -0.884 1.303 -1.277
H9 -0.885 -1.303 -1.276
H10 0.884 -1.303 -1.277

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.23011.51631.51632.14642.14642.15532.15532.15532.1553
O21.23012.41612.41612.55212.55213.12683.12723.12683.1272
C31.51632.41612.54701.09173.47781.09711.09712.80052.8002
C41.51632.41612.54703.47781.09172.80052.80021.09711.0971
H52.14642.55211.09173.47784.28091.79001.79003.78973.7897
H62.14642.55213.47781.09174.28093.78973.78971.79001.7900
H72.15533.12681.09712.80051.79003.78971.76953.15082.6063
H82.15533.12721.09712.80021.79003.78971.76952.60633.1496
H92.15533.12682.80051.09713.78971.79003.15082.60631.7695
H102.15533.12722.80021.09713.78971.79002.60633.14961.7695

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.698 C1 C3 H7 110.079
C1 C3 H8 110.086 C1 C4 H6 109.698
C1 C4 H9 110.079 C1 C4 H10 110.086
O2 C1 C3 122.876 O2 C1 C4 122.876
C3 C1 C4 114.248 H5 C3 H7 109.722
H5 C3 H8 109.729 H6 C4 H9 109.722
H6 C4 H10 109.729 H7 C3 H8 107.497
H9 C4 H10 107.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.408      
2 O -0.439      
3 C -0.708      
4 C -0.708      
5 H 0.250      
6 H 0.250      
7 H 0.237      
8 H 0.237      
9 H 0.237      
10 H 0.237      


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 -2.803 2.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.101 0.001 0.000
y 0.001 -23.615 0.000
z 0.000 0.000 -28.213
Traceless
 xyz
x 1.813 0.001 0.000
y 0.001 2.542 0.000
z 0.000 0.000 -4.355
Polar
3z2-r2-8.710
x2-y2-0.486
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.617 0.000 0.000
y 0.000 4.889 0.000
z 0.000 0.000 5.346


<r2> (average value of r2) Å2
<r2> 82.083
(<r2>)1/2 9.060