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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-190.630452
Energy at 298.15K-190.636235
HF Energy-190.630452
Nuclear repulsion energy116.529226
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 B3PW91/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 3516 3112 0.13 32.50 0.74 0.85
2 A 3487 3086 0.00 5.57 0.75 0.86
3 A 3324 2941 0.11 83.86 0.00 0.01
4 A 1879 1663 29.77 2.07 0.18 0.30
5 A 1662 1471 13.97 32.04 0.74 0.85
6 A 1659 1468 0.00 27.98 0.75 0.86
7 A 1538 1361 5.52 4.75 0.53 0.70
8 A 1148 1016 4.22 7.27 0.73 0.84
9 A 986 873 0.00 1.85 0.75 0.86
10 A 815 721 0.27 8.88 0.20 0.34
11 A 368 326 0.57 0.35 0.62 0.77
12 A 100 89 0.00 0.05 0.75 0.86
13 B 3514 3110 0.23 25.06 0.75 0.86
14 B 3489 3088 0.00 51.57 0.75 0.86
15 B 3321 2939 1.57 0.06 0.75 0.86
16 B 1668 1476 12.08 1.10 0.75 0.86
17 B 1662 1471 0.08 0.19 0.75 0.86
18 B 1530 1354 13.39 6.11 0.75 0.86
19 B 1286 1138 89.21 0.05 0.75 0.86
20 B 1168 1034 8.37 0.32 0.75 0.86
21 B 980 867 1.78 3.00 0.75 0.86
22 B 506 448 6.96 1.88 0.75 0.86
23 B 481 425 0.05 0.94 0.75 0.86
24 B 149 131 0.03 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20117.2 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 17803.8 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 B3PW91/STO-3G
ABC
0.31424 0.27533 0.15539

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.203
O2 0.000 0.000 1.453
C3 0.000 1.309 -0.643
C4 0.000 -1.309 -0.643
H5 -0.000 2.189 0.014
H6 0.000 -2.189 0.014
H7 0.890 1.340 -1.289
H8 -0.890 1.340 -1.290
H9 -0.890 -1.340 -1.289
H10 0.890 -1.340 -1.290

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.24981.55891.55892.19742.19742.19482.19482.19482.1948
O21.24982.47132.47132.61972.61973.17963.17973.17963.1797
C31.55892.47132.61821.09863.55961.10071.10072.86882.8686
C41.55892.47132.61823.55961.09862.86882.86861.10071.1007
H52.19742.61971.09863.55964.37861.79261.79263.86653.8665
H62.19742.61973.55961.09864.37863.86653.86651.79261.7926
H72.19483.17961.10072.86881.79263.86651.78063.21812.6804
H82.19483.17971.10072.86861.79263.86651.78062.68043.2177
H92.19483.17962.86881.10073.86651.79263.21812.68041.7806
H102.19483.17972.86861.10073.86651.79262.68043.21771.7806

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.363 C1 C3 H7 110.036
C1 C3 H8 110.035 C1 C4 H6 110.363
C1 C4 H9 110.036 C1 C4 H10 110.035
O2 C1 C3 122.882 O2 C1 C4 122.882
C3 C1 C4 114.235 H5 C3 H7 109.197
H5 C3 H8 109.197 H6 C4 H9 109.197
H6 C4 H10 109.197 H7 C3 H8 107.968
H9 C4 H10 107.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.160      
2 O -0.181      
3 C -0.255      
4 C -0.255      
5 H 0.090      
6 H 0.090      
7 H 0.088      
8 H 0.088      
9 H 0.088      
10 H 0.088      


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 -1.793 1.793
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.305 0.000 0.000
y 0.000 -22.258 0.000
z 0.000 0.000 -25.274
Traceless
 xyz
x 1.461 0.000 0.000
y 0.000 1.532 0.000
z 0.000 0.000 -2.993
Polar
3z2-r2-5.985
x2-y2-0.047
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.909 0.000 0.000
y 0.000 2.803 0.000
z 0.000 0.000 3.274


<r2> (average value of r2) Å2
<r2> 83.798
(<r2>)1/2 9.154