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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-193.135562
Energy at 298.15K-193.141480
HF Energy-193.135562
Nuclear repulsion energy119.527351
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
4/u)
Dep P Dep U
1 A 3159 3043 8.04 73.04 0.61 0.76
2 A 3101 2987 0.75 18.91 0.69 0.81
3 A 3041 2929 5.41 250.38 0.01 0.02
4 A 1820 1753 180.98 7.54 0.66 0.80
5 A 1463 1409 20.91 19.47 0.69 0.81
6 A 1458 1404 8.30 19.33 0.74 0.85
7 A 1373 1322 20.89 2.07 0.70 0.83
8 A 1077 1037 0.00 3.06 0.46 0.63
9 A 873 841 0.08 1.41 0.65 0.79
10 A 791 762 1.41 11.82 0.15 0.26
11 A 375 362 1.28 0.47 0.45 0.62
12 A 59 57 0.03 0.13 0.75 0.86
13 B 3158 3041 11.08 58.97 0.75 0.86
14 B 3107 2992 19.38 98.73 0.75 0.86
15 B 3035 2923 1.65 1.15 0.75 0.86
16 B 1480 1426 23.80 0.44 0.75 0.86
17 B 1452 1399 1.14 1.90 0.75 0.86
18 B 1380 1329 82.23 2.60 0.75 0.86
19 B 1235 1190 69.46 1.68 0.75 0.86
20 B 1111 1070 4.16 0.12 0.75 0.86
21 B 884 852 6.98 2.26 0.75 0.86
22 B 535 516 14.79 2.20 0.75 0.86
23 B 488 470 0.22 0.92 0.75 0.86
24 B 131 126 0.06 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18293.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 17618.0 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 B3PW91/6-311G**
ABC
0.33998 0.28463 0.16434

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 0.185
O2 0.000 0.000 1.393
C3 0.000 1.287 -0.612
C4 0.000 -1.287 -0.612
H5 0.122 2.136 0.059
H6 -0.122 -2.136 0.059
H7 0.796 1.283 -1.363
H8 -0.947 1.386 -1.153
H9 -0.796 -1.283 -1.363
H10 0.947 -1.386 -1.153

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20811.51341.51342.14312.14312.16282.14692.16282.1469
O21.20812.38242.38242.52122.52123.14293.04983.14293.0498
C31.51342.38242.57301.08953.48971.09441.09552.79332.8868
C41.51342.38242.57303.48971.08952.79332.88681.09441.0955
H52.14312.52121.08953.48974.27881.78981.78203.81553.8151
H62.14312.52123.48971.08954.27883.81553.81511.78981.7820
H72.16283.14291.09442.79331.78983.81551.75893.02042.6822
H82.14693.04981.09552.88681.78203.81511.75892.68223.3580
H92.16283.14292.79331.09443.81551.78983.02042.68221.7589
H102.14693.04982.88681.09553.81511.78202.68223.35801.7589

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.771 C1 C3 H7 111.049
C1 C3 H8 109.717 C1 C4 H6 109.771
C1 C4 H9 111.049 C1 C4 H10 109.717
O2 C1 C3 121.782 O2 C1 C4 121.782
C3 C1 C4 116.436 H5 C3 H7 110.084
H5 C3 H8 109.287 H6 C4 H9 110.084
H6 C4 H10 109.287 H7 C3 H8 106.876
H9 C4 H10 106.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.175      
2 O -0.299      
3 C -0.363      
4 C -0.363      
5 H 0.150      
6 H 0.150      
7 H 0.134      
8 H 0.141      
9 H 0.134      
10 H 0.141      


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 -2.879 2.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.048 -0.081 0.000
y -0.081 -23.649 0.000
z 0.000 0.000 -28.444
Traceless
 xyz
x 1.998 -0.081 0.000
y -0.081 2.597 0.000
z 0.000 0.000 -4.596
Polar
3z2-r2-9.191
x2-y2-0.399
xy-0.081
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.317 -0.014 0.000
y -0.014 5.941 0.000
z 0.000 0.000 6.065


<r2> (average value of r2) Å2
<r2> 81.676
(<r2>)1/2 9.037