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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-190.481171
Energy at 298.15K-190.486993
HF Energy-190.481171
Nuclear repulsion energy116.919071
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 PBE1PBE/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 3548 3130 0.33 31.93 0.74 0.85
2 A 3519 3104 0.00 5.26 0.75 0.86
3 A 3354 2958 0.17 82.05 0.00 0.01
4 A 1910 1684 30.50 2.29 0.18 0.31
5 A 1672 1475 13.97 31.86 0.74 0.85
6 A 1669 1472 0.00 27.63 0.75 0.86
7 A 1549 1366 5.60 4.56 0.54 0.70
8 A 1158 1022 4.26 7.11 0.73 0.84
9 A 994 877 0.00 1.80 0.75 0.86
10 A 831 733 0.19 8.50 0.20 0.34
11 A 370 327 0.59 0.30 0.63 0.77
12 A 104 92 0.00 0.05 0.75 0.86
13 B 3546 3128 0.09 24.36 0.75 0.86
14 B 3521 3106 0.06 50.84 0.75 0.86
15 B 3351 2956 1.86 0.09 0.75 0.86
16 B 1677 1480 12.64 1.10 0.75 0.86
17 B 1671 1474 0.09 0.17 0.75 0.86
18 B 1542 1360 16.11 6.00 0.75 0.86
19 B 1306 1152 86.43 0.08 0.75 0.86
20 B 1180 1041 8.64 0.29 0.75 0.86
21 B 993 876 0.97 2.90 0.75 0.86
22 B 511 450 7.35 1.80 0.75 0.86
23 B 485 428 0.04 0.97 0.75 0.86
24 B 151 134 0.03 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20306.5 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 17912.4 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 PBE1PBE/STO-3G
ABC
0.31625 0.27754 0.15656

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.202
O2 0.000 0.000 1.448
C3 0.000 1.304 -0.641
C4 0.000 -1.304 -0.641
H5 -0.000 2.182 0.015
H6 0.000 -2.182 0.015
H7 0.889 1.334 -1.286
H8 -0.889 1.334 -1.286
H9 -0.889 -1.334 -1.286
H10 0.889 -1.334 -1.286

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.24601.55241.55242.19052.19052.18722.18722.18722.1872
O21.24602.46242.46242.61092.61093.16943.16953.16943.1695
C31.55242.46242.60721.09663.54721.09871.09872.85692.8568
C41.55242.46242.60723.54721.09662.85692.85681.09871.0987
H52.19052.61091.09663.54724.36491.78971.78983.85313.8531
H62.19052.61093.54721.09664.36493.85313.85311.78971.7898
H72.18723.16941.09872.85691.78973.85311.77723.20562.6675
H82.18723.16951.09872.85681.78983.85311.77722.66753.2050
H92.18723.16942.85691.09873.85311.78973.20562.66751.7772
H102.18723.16952.85681.09873.85311.78982.66753.20501.7772

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.376 C1 C3 H7 110.002
C1 C3 H8 110.001 C1 C4 H6 110.376
C1 C4 H9 110.002 C1 C4 H10 110.001
O2 C1 C3 122.892 O2 C1 C4 122.892
C3 C1 C4 114.217 H5 C3 H7 109.229
H5 C3 H8 109.228 H6 C4 H9 109.229
H6 C4 H10 109.228 H7 C3 H8 107.960
H9 C4 H10 107.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.161      
2 O -0.182      
3 C -0.259      
4 C -0.259      
5 H 0.092      
6 H 0.092      
7 H 0.089      
8 H 0.089      
9 H 0.089      
10 H 0.089      


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 -1.811 1.811
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.286 0.000 0.000
y 0.000 -22.258 0.000
z 0.000 0.000 -25.285
Traceless
 xyz
x 1.485 0.000 0.000
y 0.000 1.528 0.000
z 0.000 0.000 -3.013
Polar
3z2-r2-6.026
x2-y2-0.028
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.890 0.000 0.000
y 0.000 2.741 0.000
z 0.000 0.000 3.241


<r2> (average value of r2) Å2
<r2> 83.300
(<r2>)1/2 9.127