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: HSEh1PBE/TZVP

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/TZVP
 hartrees
Energy at 0K-193.012185
Energy at 298.15K-193.018139
HF Energy-193.012185
Nuclear repulsion energy119.804434
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/TZVP
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 3174 3047 5.61 71.04 0.60 0.75
2 A 3117 2992 1.07 20.21 0.66 0.79
3 A 3055 2933 4.60 281.94 0.01 0.01
4 A 1825 1752 193.64 10.17 0.56 0.72
5 A 1468 1409 20.19 15.73 0.68 0.81
6 A 1460 1402 9.06 16.13 0.74 0.85
7 A 1383 1328 22.56 1.89 0.73 0.85
8 A 1082 1039 0.00 2.90 0.47 0.64
9 A 879 844 0.12 1.76 0.64 0.78
10 A 800 769 1.56 12.43 0.14 0.24
11 A 381 366 1.41 0.37 0.54 0.70
12 A 71 68 0.03 0.28 0.75 0.86
13 B 3173 3046 9.81 52.47 0.75 0.86
14 B 3122 2998 14.02 87.32 0.75 0.86
15 B 3049 2928 0.65 1.10 0.75 0.86
16 B 1484 1424 25.53 0.40 0.75 0.86
17 B 1457 1399 1.11 2.02 0.75 0.86
18 B 1390 1335 84.89 1.21 0.75 0.86
19 B 1246 1196 67.06 1.56 0.75 0.86
20 B 1117 1073 3.86 0.14 0.75 0.86
21 B 894 858 6.13 2.66 0.75 0.86
22 B 542 521 13.43 2.03 0.75 0.86
23 B 491 472 0.55 0.97 0.75 0.86
24 B 125 120 0.04 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18392.7 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 17658.8 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 HSEh1PBE/TZVP
ABC
0.34085 0.28688 0.16527

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.185
O2 0.000 0.000 1.392
C3 0.000 1.281 -0.611
C4 0.000 -1.281 -0.611
H5 0.157 2.132 0.050
H6 -0.157 -2.132 0.050
H7 0.769 1.259 -1.387
H8 -0.962 1.394 -1.120
H9 -0.769 -1.259 -1.387
H10 0.962 -1.394 -1.120

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20711.50781.50782.14202.14202.15612.13762.15612.1376
O21.20712.37722.37722.52422.52423.14663.02913.14663.0291
C31.50782.37722.56191.08853.47971.09311.09452.76542.8876
C41.50782.37722.56193.47971.08852.76542.88761.09311.0945
H52.14202.52421.08853.47974.27541.78891.77933.79783.8005
H62.14202.52423.47971.08854.27543.79783.80051.78891.7793
H72.15613.14661.09312.76541.78893.79781.75692.95092.6734
H82.13763.02911.09452.88761.77933.80051.75692.67343.3871
H92.15613.14662.76541.09313.79781.78892.95092.67341.7569
H102.13763.02912.88761.09453.80051.77932.67343.38711.7569

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 110.978
C1 C3 H8 109.433 C1 C4 H6 110.133
C1 C4 H9 110.978 C1 C4 H10 109.433
O2 C1 C3 121.838 O2 C1 C4 121.838
C3 C1 C4 116.324 H5 C3 H7 110.172
H5 C3 H8 109.192 H6 C4 H9 110.172
H6 C4 H10 109.192 H7 C3 H8 106.860
H9 C4 H10 106.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.151      
2 O -0.266      
3 C -0.364      
4 C -0.364      
5 H 0.154      
6 H 0.154      
7 H 0.128      
8 H 0.140      
9 H 0.128      
10 H 0.140      


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 -3.063 3.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.187 -0.092 0.000
y -0.092 -23.621 0.000
z 0.000 0.000 -29.046
Traceless
 xyz
x 2.147 -0.092 0.000
y -0.092 2.995 0.000
z 0.000 0.000 -5.142
Polar
3z2-r2-10.285
x2-y2-0.565
xy-0.092
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.610 -0.027 0.000
y -0.027 6.076 0.000
z 0.000 0.000 6.497


<r2> (average value of r2) Å2
<r2> 81.461
(<r2>)1/2 9.026