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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-193.126921
Energy at 298.15K-193.132841
Nuclear repulsion energy119.488375
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3159 3042 11.38      
2 A 3100 2985 1.19      
3 A 3044 2931 6.77      
4 A 1823 1755 178.87      
5 A 1481 1426 27.71      
6 A 1474 1419 5.88      
7 A 1391 1339 20.03      
8 A 1085 1045 0.00      
9 A 884 851 0.12      
10 A 792 762 1.44      
11 A 375 361 1.20      
12 A 61 59 0.03      
13 B 3158 3040 13.70      
14 B 3107 2991 24.83      
15 B 3038 2925 2.57      
16 B 1498 1442 25.29      
17 B 1472 1418 0.94      
18 B 1396 1344 81.24      
19 B 1240 1194 71.63      
20 B 1122 1080 4.70      
21 B 891 857 6.94      
22 B 535 515 14.18      
23 B 489 471 0.27      
24 B 130 125 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 18371.7 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17686.4 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 B3PW91/6-311G*
ABC
0.33953 0.28455 0.16419

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.187
O2 0.000 0.000 1.395
C3 0.000 1.286 -0.612
C4 0.000 -1.286 -0.612
H5 0.000 2.142 0.062
H6 0.000 -2.142 0.062
H7 0.879 1.336 -1.264
H8 -0.879 1.336 -1.264
H9 -0.879 -1.336 -1.264
H10 0.879 -1.336 -1.264

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20781.51401.51402.14532.14532.15932.15932.15932.1593
O21.20782.38352.38352.52232.52233.10263.10263.10263.1026
C31.51402.38352.57191.08963.49341.09511.09512.84132.8413
C41.51402.38352.57193.49341.08962.84132.84131.09511.0951
H52.14532.52231.08963.49344.28341.78321.78323.82463.8246
H62.14532.52233.49341.08964.28343.82463.82461.78321.7832
H72.15933.10261.09512.84131.78323.82461.75713.19842.6726
H82.15933.10261.09512.84131.78323.82461.75712.67263.1984
H92.15933.10262.84131.09513.82461.78323.19842.67261.7571
H102.15933.10262.84131.09513.82461.78322.67263.19841.7571

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.900 C1 C3 H7 110.682
C1 C3 H8 110.682 C1 C4 H6 109.900
C1 C4 H9 110.682 C1 C4 H10 110.682
O2 C1 C3 121.855 O2 C1 C4 121.855
C3 C1 C4 116.290 H5 C3 H7 109.413
H5 C3 H8 109.413 H6 C4 H9 109.413
H6 C4 H10 109.413 H7 C3 H8 106.690
H9 C4 H10 106.690
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.317      
2 O -0.299      
3 C -0.736      
4 C -0.736      
5 H 0.251      
6 H 0.251      
7 H 0.234      
8 H 0.242      
9 H 0.234      
10 H 0.242      


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 -2.867 2.867
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.070 -0.107 0.000
y -0.107 -23.779 0.000
z 0.000 0.000 -28.490
Traceless
 xyz
x 2.065 -0.107 0.000
y -0.107 2.501 0.000
z 0.000 0.000 -4.566
Polar
3z2-r2-9.131
x2-y2-0.290
xy-0.107
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.261 -0.123 0.000
y -0.123 5.832 0.000
z 0.000 0.000 6.012


<r2> (average value of r2) Å2
<r2> 81.810
(<r2>)1/2 9.045