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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-36.490810
Energy at 298.15K-36.496711
HF Energy-36.490810
Nuclear repulsion energy66.052040
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 3129 3049 15.37 72.27 0.62 0.76
2 A 3064 2986 0.00 11.46 0.75 0.86
3 A 2997 2920 12.80 278.30 0.01 0.02
4 A 1671 1628 123.76 5.96 0.60 0.75
5 A 1489 1451 49.78 29.71 0.68 0.81
6 A 1488 1450 0.02 26.68 0.75 0.86
7 A 1420 1383 21.44 1.87 0.75 0.86
8 A 1092 1064 0.23 6.00 0.62 0.76
9 A 917 894 0.00 3.26 0.75 0.86
10 A 780 760 0.41 17.60 0.14 0.25
11 A 372 363 1.48 0.73 0.46 0.63
12 A 32 31 0.00 0.17 0.75 0.86
13 B 3127 3047 20.81 59.84 0.75 0.86
14 B 3072 2994 44.79 112.20 0.75 0.86
15 B 2990 2913 5.37 1.21 0.75 0.86
16 B 1508 1470 30.95 0.25 0.75 0.86
17 B 1485 1447 1.27 2.21 0.75 0.86
18 B 1414 1378 58.70 4.02 0.75 0.86
19 B 1255 1223 82.19 0.80 0.75 0.86
20 B 1130 1101 2.71 0.01 0.75 0.86
21 B 915 891 4.09 4.41 0.75 0.86
22 B 519 505 15.33 2.88 0.75 0.86
23 B 486 473 0.17 1.52 0.75 0.86
24 B 138 135 0.03 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18243.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 17778.5 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 B3LYP/CEP-121G
ABC
0.32668 0.27538 0.15826

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 0.171
O2 0.000 0.000 1.428
C3 0.000 1.310 -0.624
C4 0.000 -1.310 -0.624
H5 0.000 2.160 0.064
H6 -0.000 -2.160 0.064
H7 0.884 1.364 -1.275
H8 -0.884 1.364 -1.274
H9 -0.884 -1.364 -1.275
H10 0.884 -1.364 -1.274

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.25721.53191.53192.16242.16242.17522.17512.17522.1751
O21.25722.43422.43422.55482.55483.15403.15373.15403.1537
C31.53192.43422.61931.09303.53671.09921.09922.89002.8904
C41.53192.43422.61933.53671.09302.89002.89041.09921.0992
H52.16242.55481.09303.53674.31941.79031.79033.87133.8714
H62.16242.55483.53671.09304.31943.87133.87141.79031.7903
H72.17523.15401.09922.89001.79033.87131.76823.25012.7277
H82.17513.15371.09922.89041.79033.87141.76822.72773.2513
H92.17523.15402.89001.09923.87131.79033.25012.72771.7682
H102.17513.15372.89041.09923.87141.79032.72773.25131.7682

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.805 C1 C3 H7 110.448
C1 C3 H8 110.445 C1 C4 H6 109.805
C1 C4 H9 110.448 C1 C4 H10 110.445
O2 C1 C3 121.246 O2 C1 C4 121.246
C3 C1 C4 117.508 H5 C3 H7 109.508
H5 C3 H8 109.505 H6 C4 H9 109.508
H6 C4 H10 109.505 H7 C3 H8 107.084
H9 C4 H10 107.084
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 0.168      
2 O -0.158      
3 C -0.521      
4 C -0.521      
5 H 0.187      
6 H 0.187      
7 H 0.165      
8 H 0.165      
9 H 0.165      
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 -3.407 3.407
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.408 -0.000 0.000
y -0.000 -23.652 0.000
z 0.000 0.000 -29.789
Traceless
 xyz
x 2.313 -0.000 0.000
y -0.000 3.446 0.000
z 0.000 0.000 -5.759
Polar
3z2-r2-11.517
x2-y2-0.755
xy-0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.431 -0.000 0.000
y -0.000 5.815 0.000
z 0.000 0.000 6.483


<r2> (average value of r2) Å2
<r2> 71.798
(<r2>)1/2 8.473