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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-193.152303
Energy at 298.15K-193.158171
HF Energy-193.152303
Nuclear repulsion energy119.751345
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 B3PW91/6-311+G(3df,2p)
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 3154 3019 5.35 64.17 0.57 0.73
2 A 3094 2962 0.00 11.09 0.75 0.86
3 A 3039 2909 5.79 296.77 0.00 0.01
4 A 1808 1731 196.74 12.23 0.57 0.72
5 A 1463 1401 31.48 11.52 0.62 0.76
6 A 1457 1395 0.00 8.29 0.75 0.86
7 A 1376 1318 20.24 1.34 0.63 0.77
8 A 1076 1030 0.04 1.80 0.18 0.30
9 A 873 836 0.00 0.16 0.75 0.86
10 A 794 760 1.85 14.71 0.10 0.19
11 A 378 361 1.84 0.56 0.67 0.80
12 A 30 29 0.00 0.21 0.75 0.86
13 B 3153 3018 10.83 50.71 0.75 0.86
14 B 3101 2968 13.97 90.61 0.75 0.86
15 B 3032 2903 0.66 2.15 0.75 0.86
16 B 1481 1418 21.19 0.01 0.75 0.86
17 B 1451 1389 0.55 1.14 0.75 0.86
18 B 1381 1322 70.97 0.05 0.75 0.86
19 B 1237 1184 66.33 4.35 0.75 0.86
20 B 1112 1064 3.22 0.13 0.75 0.86
21 B 882 845 6.71 1.37 0.75 0.86
22 B 534 511 14.18 1.25 0.75 0.86
23 B 490 469 0.35 0.28 0.75 0.86
24 B 132 126 0.04 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18263.4 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 17483.5 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 B3PW91/6-311+G(3df,2p)
ABC
0.34097 0.28604 0.16499

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

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 1.392
C3 0.000 1.283 -0.610
C4 0.000 -1.283 -0.610
H5 0.001 2.140 0.060
H6 -0.001 -2.140 0.060
H7 0.877 1.324 -1.261
H8 -0.877 1.325 -1.261
H9 -0.877 -1.324 -1.261
H10 0.877 -1.325 -1.261

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.20711.50961.50962.14372.14372.14802.14812.14802.1481
O21.20712.37802.37802.52082.52083.09243.09213.09243.0921
C31.50962.37802.56681.08733.48831.09291.09292.82712.8277
C41.50962.37802.56683.48831.08732.82712.82771.09291.0929
H52.14372.52081.08733.48834.28001.78271.78283.81003.8101
H62.14372.52083.48831.08734.28003.81003.81011.78271.7828
H72.14803.09241.09292.82711.78273.81001.75383.17622.6491
H82.14813.09211.09292.82771.78283.81011.75382.64913.1779
H92.14803.09242.82711.09293.81001.78273.17622.64911.7538
H102.14813.09212.82771.09293.81011.78282.64913.17791.7538

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.209 C1 C3 H7 110.220
C1 C3 H8 110.226 C1 C4 H6 110.209
C1 C4 H9 110.220 C1 C4 H10 110.226
O2 C1 C3 121.773 O2 C1 C4 121.773
C3 C1 C4 116.454 H5 C3 H7 109.704
H5 C3 H8 109.712 H6 C4 H9 109.704
H6 C4 H10 109.712 H7 C3 H8 106.707
H9 C4 H10 106.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.369      
2 O -0.702      
3 C -0.283      
4 C -0.283      
5 H 0.137      
6 H 0.137      
7 H 0.156      
8 H 0.156      
9 H 0.156      
10 H 0.156      


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 -3.071 3.071
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.150 0.000 0.000
y 0.000 -23.489 0.000
z 0.000 0.000 -28.943
Traceless
 xyz
x 2.066 0.000 0.000
y 0.000 3.058 0.000
z 0.000 0.000 -5.123
Polar
3z2-r2-10.247
x2-y2-0.662
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.935 0.000 0.000
y 0.000 6.734 0.000
z 0.000 0.000 6.842


<r2> (average value of r2) Å2
<r2> 81.501
(<r2>)1/2 9.028