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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3PW91/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-193.093761
Energy at 298.15K-193.099575
Nuclear repulsion energy119.186494
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-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3177 3066 5.33      
2 A1 3048 2942 5.34      
3 A1 1828 1764 172.60      
4 A1 1435 1385 26.09      
5 A1 1354 1307 17.05      
6 A1 1066 1029 0.02      
7 A1 800 772 1.20      
8 A1 376 363 1.19      
9 A2 3119 3010 0.00      
10 A2 1433 1383 0.00      
11 A2 862 832 0.00      
12 A2 3 3 0.00      
13 B1 3125 3016 13.90      
14 B1 1457 1406 21.03      
15 B1 1101 1062 4.49      
16 B1 489 472 0.04      
17 B1 142 137 0.19      
18 B2 3176 3065 7.97      
19 B2 3042 2936 2.05      
20 B2 1424 1374 0.25      
21 B2 1370 1322 85.14      
22 B2 1232 1189 58.51      
23 B2 879 848 4.99      
24 B2 531 513 14.94      

Unscaled Zero Point Vibrational Energy (zpe) 18235.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17596.9 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-pVDZ
ABC
0.33780 0.28398 0.16374

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.185
O2 0.000 0.000 1.398
C3 0.000 1.287 -0.613
C4 0.000 -1.287 -0.613
H5 0.000 2.148 0.068
H6 0.000 -2.148 0.068
H7 0.885 1.332 -1.269
H8 -0.885 1.332 -1.269
H9 -0.885 -1.332 -1.269
H10 0.885 -1.332 -1.269

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21301.51391.51392.15112.15112.16112.16112.16112.1611
O21.21302.38692.38692.52632.52633.10943.10943.10943.1094
C31.51392.38692.57401.09723.50161.10251.10252.84142.8414
C41.51392.38692.57403.50161.09722.84142.84141.10251.1025
H52.15112.52631.09723.50164.29581.79851.79853.83143.8314
H62.15112.52633.50161.09724.29583.83143.83141.79851.7985
H72.16113.10941.10252.84141.79853.83141.76933.19822.6642
H82.16113.10941.10252.84141.79853.83141.76932.66423.1982
H92.16113.10942.84141.10253.83141.79853.19822.66421.7693
H102.16113.10942.84141.10253.83141.79852.66423.19821.7693

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.908 C1 C3 H7 110.383
C1 C3 H8 110.383 C1 C4 H6 109.908
C1 C4 H9 110.383 C1 C4 H10 110.383
O2 C1 C3 121.776 O2 C1 C4 121.776
C3 C1 C4 116.448 H5 C3 H7 109.697
H5 C3 H8 109.697 H6 C4 H9 109.697
H6 C4 H10 109.697 H7 C3 H8 106.719
H9 C4 H10 106.719
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.013      
2 O -0.211      
3 C -0.076      
4 C -0.076      
5 H 0.062      
6 H 0.062      
7 H 0.063      
8 H 0.063      
9 H 0.063      
10 H 0.063      


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 -2.769 2.769
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.901 0.000 0.000
y 0.000 -23.541 0.000
z 0.000 0.000 -27.965
Traceless
 xyz
x 1.852 0.000 0.000
y 0.000 2.392 0.000
z 0.000 0.000 -4.244
Polar
3z2-r2-8.488
x2-y2-0.360
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 81.817
(<r2>)1/2 9.045