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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3LYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-193.171721
Energy at 298.15K-193.177654
HF Energy-193.171721
Nuclear repulsion energy119.220804
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/6-31G(2df,p)
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 3153 3043 8.51 67.45 0.59 0.74
2 A 3091 2983 0.00 9.76 0.75 0.86
3 A 3038 2932 6.23 201.90 0.01 0.02
4 A 1821 1758 155.25 6.92 0.44 0.61
5 A 1469 1417 20.81 26.61 0.72 0.84
6 A 1466 1414 0.02 25.74 0.75 0.86
7 A 1382 1333 14.61 3.38 0.55 0.71
8 A 1082 1044 0.00 3.71 0.52 0.68
9 A 880 849 0.00 1.99 0.75 0.86
10 A 781 754 1.33 12.28 0.15 0.26
11 A 374 361 1.29 0.37 0.52 0.69
12 A 61 59 0.00 0.05 0.75 0.86
13 B 3152 3042 11.10 53.91 0.75 0.86
14 B 3098 2990 18.73 99.10 0.75 0.86
15 B 3032 2925 1.42 0.76 0.75 0.86
16 B 1488 1436 15.42 0.21 0.75 0.86
17 B 1459 1408 0.14 1.33 0.75 0.86
18 B 1382 1334 50.03 3.90 0.75 0.86
19 B 1230 1187 76.10 0.84 0.75 0.86
20 B 1118 1079 3.49 0.06 0.75 0.86
21 B 881 850 8.00 2.91 0.75 0.86
22 B 528 509 14.44 1.50 0.75 0.86
23 B 490 473 0.41 0.73 0.75 0.86
24 B 146 141 0.02 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18300.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17659.5 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/6-31G(2df,p)
ABC
0.33752 0.28325 0.16331

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.190
O2 0.000 0.000 1.398
C3 0.000 1.290 -0.614
C4 0.000 -1.290 -0.614
H5 0.002 2.148 0.059
H6 -0.002 -2.148 0.059
H7 0.879 1.332 -1.268
H8 -0.880 1.333 -1.266
H9 -0.879 -1.332 -1.268
H10 0.880 -1.333 -1.266

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20861.52011.52012.15192.15192.16132.16132.16132.1613
O21.20862.39062.39062.53142.53143.10743.10653.10743.1065
C31.52012.39062.58001.09053.50321.09601.09602.84142.8427
C41.52012.39062.58003.50321.09052.84142.84271.09601.0960
H52.15192.53141.09053.50324.29591.78771.78783.82683.8270
H62.15192.53143.50321.09054.29593.82683.82701.78771.7878
H72.16133.10741.09602.84141.78773.82681.75893.19102.6651
H82.16133.10651.09602.84271.78783.82701.75892.66513.1953
H92.16133.10742.84141.09603.82681.78773.19102.66511.7589
H102.16133.10652.84271.09603.82701.78782.66513.19531.7589

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.947 C1 C3 H7 110.357
C1 C3 H8 110.364 C1 C4 H6 109.947
C1 C4 H9 110.357 C1 C4 H10 110.364
O2 C1 C3 121.935 O2 C1 C4 121.935
C3 C1 C4 116.130 H5 C3 H7 109.692
H5 C3 H8 109.704 H6 C4 H9 109.692
H6 C4 H10 109.704 H7 C3 H8 106.723
H9 C4 H10 106.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.391      
2 O -0.286      
3 C -0.469      
4 C -0.469      
5 H 0.143      
6 H 0.143      
7 H 0.136      
8 H 0.137      
9 H 0.136      
10 H 0.137      


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 -2.736 2.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.790 -0.001 0.000
y -0.001 -23.466 0.000
z 0.000 0.000 -28.078
Traceless
 xyz
x 1.982 -0.001 0.000
y -0.001 2.468 0.000
z 0.000 0.000 -4.450
Polar
3z2-r2-8.899
x2-y2-0.324
xy-0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.219 0.000 0.000
y 0.000 5.732 0.000
z 0.000 0.000 5.843


<r2> (average value of r2) Å2
<r2> 81.893
(<r2>)1/2 9.049