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: HF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-192.037751
Energy at 298.15K-192.043876
HF Energy-192.037751
Nuclear repulsion energy120.474254
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 HF/aug-cc-pVTZ
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 3276 2982 12.78 69.66 0.50 0.67
2 A 3213 2925 0.00 7.68 0.75 0.86
3 A 3170 2886 12.37 298.10 0.01 0.01
4 A 1977 1800 266.65 14.31 0.59 0.74
5 A 1586 1444 0.03 7.88 0.75 0.86
6 A 1586 1444 27.99 10.27 0.66 0.80
7 A 1518 1382 8.61 1.05 0.74 0.85
8 A 1179 1073 0.53 2.11 0.26 0.41
9 A 967 881 0.00 0.41 0.75 0.86
10 A 838 763 0.17 17.35 0.10 0.19
11 A 402 366 1.98 0.40 0.58 0.73
12 A 43 39 0.00 0.07 0.75 0.86
13 B 3274 2981 18.79 47.65 0.75 0.86
14 B 3222 2934 35.14 90.61 0.75 0.86
15 B 3161 2878 2.16 0.45 0.75 0.86
16 B 1608 1464 17.31 0.01 0.75 0.86
17 B 1577 1436 0.13 0.47 0.75 0.86
18 B 1528 1391 49.17 0.06 0.75 0.86
19 B 1337 1217 68.26 3.21 0.75 0.86
20 B 1229 1119 2.72 0.32 0.75 0.86
21 B 969 882 5.25 1.96 0.75 0.86
22 B 576 524 22.05 1.22 0.75 0.86
23 B 533 486 2.28 0.62 0.75 0.86
24 B 148 135 0.47 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19458.9 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 17715.4 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 HF/aug-cc-pVTZ
ABC
0.34793 0.28587 0.16646

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.188
O2 0.000 0.000 1.376
C3 0.000 1.285 -0.606
C4 0.000 -1.285 -0.606
H5 -0.000 2.133 0.062
H6 0.000 -2.133 0.062
H7 0.874 1.325 -1.247
H8 -0.873 1.325 -1.248
H9 -0.874 -1.325 -1.247
H10 0.873 -1.325 -1.248

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.18721.51081.51082.13642.13642.14002.14012.14002.1401
O21.18722.36172.36172.50462.50463.06563.06593.06563.0659
C31.51082.36172.57071.07903.48271.08451.08452.82652.8261
C41.51082.36172.57073.48271.07902.82652.82611.08451.0845
H52.13642.50461.07903.48274.26541.76941.76953.79913.7991
H62.13642.50463.48271.07904.26543.79913.79911.76941.7695
H72.14003.06561.08452.82651.76943.79911.74653.17412.6497
H82.14013.06591.08452.82611.76953.79911.74652.64973.1729
H92.14003.06562.82651.08453.79911.76943.17412.64971.7465
H102.14013.06592.82611.08453.79911.76952.64973.17291.7465

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.045 C1 C3 H7 110.000
C1 C3 H8 110.007 C1 C4 H6 110.045
C1 C4 H9 110.000 C1 C4 H10 110.007
O2 C1 C3 121.706 O2 C1 C4 121.706
C3 C1 C4 116.588 H5 C3 H7 109.743
H5 C3 H8 109.747 H6 C4 H9 109.743
H6 C4 H10 109.747 H7 C3 H8 107.255
H9 C4 H10 107.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.495      
2 O -0.730      
3 C -0.792      
4 C -0.792      
5 H 0.289      
6 H 0.289      
7 H 0.311      
8 H 0.311      
9 H 0.311      
10 H 0.311      


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 -3.261 3.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.211 0.000 0.000
y 0.000 -23.562 0.000
z 0.000 0.000 -29.434
Traceless
 xyz
x 2.287 0.000 0.000
y 0.000 3.261 0.000
z 0.000 0.000 -5.548
Polar
3z2-r2-11.096
x2-y2-0.649
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.739 0.000 0.000
y 0.000 6.090 0.000
z 0.000 0.000 6.313


<r2> (average value of r2) Å2
<r2> 81.055
(<r2>)1/2 9.003