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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-36.549989
Energy at 298.15K-36.555847
HF Energy-36.549989
Nuclear repulsion energy66.503714
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/CEP-121G*
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 3136 3041 16.88 79.33 0.59 0.74
2 A 3074 2980 1.40 20.05 0.66 0.80
3 A 3022 2929 10.83 261.69 0.01 0.03
4 A 1763 1710 176.23 9.34 0.68 0.81
5 A 1480 1435 27.08 22.00 0.68 0.81
6 A 1474 1429 4.56 21.82 0.75 0.85
7 A 1394 1351 13.44 1.73 0.64 0.78
8 A 1076 1043 0.19 4.26 0.55 0.71
9 A 882 855 0.12 2.44 0.70 0.83
10 A 767 744 1.35 16.46 0.16 0.27
11 A 367 356 1.25 0.57 0.40 0.57
12 A 56 55 0.01 0.18 0.75 0.85
13 B 3135 3039 18.42 61.97 0.75 0.86
14 B 3081 2987 39.36 103.41 0.75 0.86
15 B 3015 2923 4.40 1.13 0.75 0.86
16 B 1496 1450 21.55 0.56 0.75 0.86
17 B 1473 1428 0.70 2.10 0.75 0.86
18 B 1396 1353 55.72 1.87 0.75 0.86
19 B 1223 1186 76.76 1.71 0.75 0.86
20 B 1110 1077 1.55 0.05 0.75 0.86
21 B 881 854 8.35 4.27 0.75 0.86
22 B 522 506 14.15 2.25 0.75 0.86
23 B 478 463 0.65 1.14 0.75 0.86
24 B 126 122 0.04 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18214.2 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 17656.8 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/CEP-121G*
ABC
0.33296 0.27757 0.16043

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

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 1.409
C3 0.000 1.304 -0.619
C4 0.000 -1.304 -0.619
H5 0.131 2.155 0.054
H6 -0.131 -2.155 0.054
H7 0.795 1.299 -1.377
H8 -0.954 1.410 -1.156
H9 -0.795 -1.299 -1.377
H10 0.954 -1.410 -1.156

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.22391.53241.53242.16312.16312.18192.16722.18192.1672
O21.22392.41162.41162.54912.54913.17543.07863.17543.0786
C31.53242.41162.60831.09333.52681.09841.09942.82532.9266
C41.53242.41162.60833.52681.09332.82532.92661.09841.0994
H52.16312.54911.09333.52684.31831.79531.78783.85203.8540
H62.16312.54913.52681.09334.31833.85203.85401.79531.7878
H72.18193.17541.09842.82531.79533.85201.76623.04572.7228
H82.16723.07861.09942.92661.78783.85401.76622.72283.4049
H92.18193.17542.82531.09843.85201.79533.04572.72281.7662
H102.16723.07862.92661.09943.85401.78782.72283.40491.7662

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.815 C1 C3 H7 110.995
C1 C3 H8 109.774 C1 C4 H6 109.815
C1 C4 H9 110.995 C1 C4 H10 109.774
O2 C1 C3 121.673 O2 C1 C4 121.673
C3 C1 C4 116.654 H5 C3 H7 110.006
H5 C3 H8 109.244 H6 C4 H9 110.006
H6 C4 H10 109.244 H7 C3 H8 106.952
H9 C4 H10 106.952
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.294      
2 O -0.264      
3 C -0.564      
4 C -0.564      
5 H 0.197      
6 H 0.197      
7 H 0.173      
8 H 0.179      
9 H 0.173      
10 H 0.179      


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 -2.977 2.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.246 -0.073 0.000
y -0.073 -23.812 0.000
z 0.000 0.000 -28.917
Traceless
 xyz
x 2.119 -0.073 0.000
y -0.073 2.770 0.000
z 0.000 0.000 -4.888
Polar
3z2-r2-9.777
x2-y2-0.434
xy-0.073
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.570 -0.017 0.000
y -0.017 6.131 0.000
z 0.000 0.000 6.408


<r2> (average value of r2) Å2
<r2> 70.983
(<r2>)1/2 8.425