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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-193.174506
Energy at 298.15K-193.180333
HF Energy-193.174506
Nuclear repulsion energy118.991488
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/6-31+G**
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 3046 6.62 73.61 0.59 0.74
2 A 3096 2985 0.12 12.48 0.74 0.85
3 A 3043 2934 8.08 268.60 0.01 0.02
4 A 1792 1728 200.27 12.61 0.62 0.77
5 A 1474 1422 28.62 18.43 0.67 0.80
6 A 1470 1418 2.37 15.04 0.74 0.85
7 A 1392 1342 20.73 1.95 0.63 0.77
8 A 1084 1045 0.00 2.88 0.42 0.59
9 A 886 854 0.01 1.19 0.74 0.85
10 A 787 758 1.42 15.23 0.15 0.26
11 A 380 366 1.50 0.59 0.63 0.77
12 A 18 17 0.00 0.26 0.75 0.85
13 B 3159 3045 11.09 58.02 0.75 0.86
14 B 3103 2992 19.31 105.10 0.75 0.86
15 B 3036 2927 2.15 2.52 0.75 0.86
16 B 1492 1439 24.86 0.10 0.75 0.86
17 B 1464 1412 1.02 1.19 0.75 0.86
18 B 1394 1344 60.67 1.20 0.75 0.86
19 B 1237 1193 73.95 4.25 0.75 0.86
20 B 1118 1078 2.58 0.03 0.75 0.86
21 B 890 858 6.96 3.40 0.75 0.86
22 B 533 514 13.84 1.41 0.75 0.86
23 B 488 471 0.54 0.62 0.75 0.86
24 B 126 121 0.01 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18309.0 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 17653.6 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/6-31+G**
ABC
0.33718 0.28189 0.16280

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.182
O2 0.000 0.000 1.401
C3 0.000 1.293 -0.614
C4 0.000 -1.293 -0.614
H5 0.042 2.148 0.063
H6 -0.042 -2.148 0.063
H7 0.854 1.321 -1.300
H8 -0.905 1.357 -1.230
H9 -0.854 -1.321 -1.300
H10 0.905 -1.357 -1.230

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21901.51831.51832.15202.15202.16172.15692.16172.1569
O21.21902.39382.39382.53122.53123.12613.09503.12613.0950
C31.51832.39382.58661.09103.50771.09651.09682.83522.8673
C41.51832.39382.58663.50771.09102.83522.86731.09651.0968
H52.15202.53121.09103.50774.29741.78951.78723.83413.8342
H62.15202.53123.50771.09104.29743.83413.83421.78951.7872
H72.16173.12611.09652.83521.78953.83411.76123.14702.6796
H82.15693.09501.09682.86731.78723.83421.76122.67963.2619
H92.16173.12612.83521.09653.83411.78953.14702.67961.7612
H102.15693.09502.86731.09683.83421.78722.67963.26191.7612

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.044 C1 C3 H7 110.487
C1 C3 H8 110.089 C1 C4 H6 110.044
C1 C4 H9 110.487 C1 C4 H10 110.089
O2 C1 C3 121.591 O2 C1 C4 121.591
C3 C1 C4 116.819 H5 C3 H7 109.783
H5 C3 H8 109.543 H6 C4 H9 109.783
H6 C4 H10 109.543 H7 C3 H8 106.838
H9 C4 H10 106.838
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.408      
2 O -0.423      
3 C -0.502      
4 C -0.502      
5 H 0.183      
6 H 0.183      
7 H 0.162      
8 H 0.165      
9 H 0.162      
10 H 0.165      


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 -3.196 3.196
CHELPG        
AIM        
ESP 0.002 -3.209 -0.001 3.209


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.498 -0.021 0.000
y -0.021 -23.929 0.000
z 0.000 0.000 -29.538
Traceless
 xyz
x 2.235 -0.021 0.000
y -0.021 3.089 0.000
z 0.000 0.000 -5.324
Polar
3z2-r2-10.648
x2-y2-0.569
xy-0.021
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.625 -0.009 0.000
y -0.009 6.251 0.000
z 0.000 0.000 6.762


<r2> (average value of r2) Å2
<r2> 82.637
(<r2>)1/2 9.090