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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-193.154808
Energy at 298.15K-193.160728
Nuclear repulsion energy119.718250
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/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 3156 3035 6.12      
2 A 3098 2979 0.59      
3 A 3041 2924 5.44      
4 A 1810 1741 179.92      
5 A 1462 1406 21.72      
6 A 1455 1400 6.72      
7 A 1374 1321 19.34      
8 A 1076 1035 0.00      
9 A 875 841 0.05      
10 A 792 761 1.78      
11 A 374 360 1.57      
12 A 60 58 0.02      
13 B 3155 3034 10.76      
14 B 3104 2985 15.25      
15 B 3035 2919 0.90      
16 B 1479 1422 19.63      
17 B 1451 1395 0.47      
18 B 1380 1327 72.91      
19 B 1237 1189 68.27      
20 B 1112 1069 3.51      
21 B 885 851 7.63      
22 B 534 513 14.57      
23 B 487 468 0.28      
24 B 129 124 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 18280.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17578.0 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/cc-pVTZ
ABC
0.34076 0.28592 0.16490

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

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 1.393
C3 0.000 1.284 -0.611
C4 0.000 -1.284 -0.611
H5 0.000 2.138 0.061
H6 0.000 -2.138 0.061
H7 0.877 1.325 -1.261
H8 -0.877 1.325 -1.261
H9 -0.877 -1.325 -1.261
H10 0.877 -1.325 -1.261

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20791.51001.51002.14202.14202.14892.14892.14892.1489
O21.20792.37922.37922.51902.51903.09363.09363.09363.0936
C31.51002.37922.56711.08753.48741.09301.09302.82842.8284
C41.51002.37922.56713.48741.08752.82842.82841.09301.0930
H52.14202.51901.08753.48744.27691.78331.78333.81033.8103
H62.14202.51903.48741.08754.27693.81033.81031.78331.7833
H72.14893.09361.09302.82841.78333.81031.75433.17892.6510
H82.14893.09361.09302.82841.78333.81031.75432.65103.1789
H92.14893.09362.82841.09303.81031.78333.17892.65101.7543
H102.14893.09362.82841.09303.81031.78332.65103.17891.7543

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.043 C1 C3 H7 110.259
C1 C3 H8 110.259 C1 C4 H6 110.043
C1 C4 H9 110.259 C1 C4 H10 110.259
O2 C1 C3 121.787 O2 C1 C4 121.787
C3 C1 C4 116.427 H5 C3 H7 109.742
H5 C3 H8 109.742 H6 C4 H9 109.742
H6 C4 H10 109.742 H7 C3 H8 106.740
H9 C4 H10 106.740
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.202      
2 O -0.263      
3 C -0.267      
4 C -0.267      
5 H 0.111      
6 H 0.111      
7 H 0.091      
8 H 0.096      
9 H 0.091      
10 H 0.096      


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 -2.926 2.926
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.047 -0.086 0.000
y -0.086 -23.529 0.000
z 0.000 0.000 -28.535
Traceless
 xyz
x 1.985 -0.086 0.000
y -0.086 2.762 0.000
z 0.000 0.000 -4.747
Polar
3z2-r2-9.494
x2-y2-0.518
xy-0.086
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.658 -0.094 0.000
y -0.094 6.363 0.000
z 0.000 0.000 6.389


<r2> (average value of r2) Å2
<r2> 81.437
(<r2>)1/2 9.024