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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-190.676451
Energy at 298.15K-190.682209
HF Energy-190.676451
Nuclear repulsion energy116.151010
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 B3LYP/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 3490 3115 0.00 33.72 0.74 0.85
2 A 3461 3089 0.00 5.76 0.75 0.86
3 A 3302 2946 0.02 85.57 0.00 0.01
4 A 1856 1656 28.20 1.91 0.20 0.33
5 A 1661 1482 13.26 32.68 0.75 0.85
6 A 1658 1480 0.00 28.75 0.75 0.86
7 A 1536 1371 4.48 4.53 0.54 0.70
8 A 1144 1021 3.70 7.67 0.73 0.84
9 A 986 880 0.00 1.98 0.75 0.86
10 A 799 713 0.28 9.74 0.20 0.34
11 A 364 325 0.48 0.38 0.61 0.76
12 A 102 91 0.00 0.05 0.75 0.86
13 B 3488 3113 0.48 26.02 0.75 0.86
14 B 3463 3091 0.21 52.82 0.75 0.86
15 B 3299 2944 1.00 0.10 0.75 0.86
16 B 1667 1487 10.87 1.14 0.75 0.86
17 B 1661 1482 0.06 0.19 0.75 0.86
18 B 1527 1363 9.36 5.94 0.75 0.86
19 B 1270 1133 90.02 0.04 0.75 0.86
20 B 1164 1039 7.28 0.36 0.75 0.86
21 B 972 868 2.79 3.29 0.75 0.86
22 B 500 446 7.11 1.96 0.75 0.86
23 B 474 423 0.02 0.96 0.75 0.86
24 B 147 131 0.02 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19995.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 17843.8 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 B3LYP/STO-3G
ABC
0.31259 0.27274 0.15420

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.205
O2 0.000 0.000 1.457
C3 0.000 1.316 -0.645
C4 0.000 -1.316 -0.645
H5 -0.000 2.196 0.015
H6 0.000 -2.196 0.015
H7 0.892 1.347 -1.292
H8 -0.892 1.347 -1.292
H9 -0.892 -1.347 -1.292
H10 0.892 -1.347 -1.292

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.25221.56661.56662.20422.20422.20232.20232.20232.2023
O21.25222.48002.48002.62722.62723.18843.18843.18843.1884
C31.56662.48002.63201.09993.57341.10201.10202.88212.8820
C41.56662.48002.63203.57341.09992.88212.88201.10201.1020
H52.20422.62721.09993.57344.39191.79521.79523.88033.8802
H62.20422.62723.57341.09994.39193.88033.88021.79521.7952
H72.20233.18841.10202.88211.79523.88031.78333.23122.6944
H82.20233.18841.10202.88201.79523.88021.78332.69443.2310
H92.20233.18842.88211.10203.88031.79523.23122.69441.7833
H102.20233.18842.88201.10203.88021.79522.69443.23101.7833

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.279 C1 C3 H7 110.011
C1 C3 H8 110.009 C1 C4 H6 110.279
C1 C4 H9 110.011 C1 C4 H10 110.009
O2 C1 C3 122.855 O2 C1 C4 122.855
C3 C1 C4 114.290 H5 C3 H7 109.236
H5 C3 H8 109.235 H6 C4 H9 109.236
H6 C4 H10 109.235 H7 C3 H8 108.029
H9 C4 H10 108.029
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.162      
2 O -0.181      
3 C -0.242      
4 C -0.242      
5 H 0.086      
6 H 0.086      
7 H 0.083      
8 H 0.083      
9 H 0.083      
10 H 0.083      


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 -1.759 1.759
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.362 0.000 0.000
y 0.000 -22.340 0.000
z 0.000 0.000 -25.342
Traceless
 xyz
x 1.478 0.000 0.000
y 0.000 1.512 0.000
z 0.000 0.000 -2.990
Polar
3z2-r2-5.981
x2-y2-0.023
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.937 0.000 0.000
y 0.000 2.869 0.000
z 0.000 0.000 3.311


<r2> (average value of r2) Å2
<r2> 84.353
(<r2>)1/2 9.184