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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-192.009490
Energy at 298.15K-192.015394
HF Energy-192.009490
Nuclear repulsion energy117.322416
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 BLYP/3-21G
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 3081 3064 9.15 73.10 0.57 0.73
2 A 3017 3000 0.00 9.85 0.75 0.86
3 A 2976 2959 5.85 182.89 0.01 0.02
4 A 1679 1669 73.00 2.02 0.36 0.53
5 A 1498 1490 0.00 41.50 0.75 0.86
6 A 1488 1479 30.59 40.20 0.74 0.85
7 A 1390 1382 25.30 6.02 0.52 0.69
8 A 1075 1069 0.01 5.25 0.57 0.73
9 A 905 900 0.00 3.30 0.75 0.86
10 A 722 718 1.45 11.34 0.18 0.30
11 A 371 369 0.74 0.50 0.38 0.55
12 A 75 74 0.00 0.08 0.75 0.86
13 B 3080 3063 16.28 52.80 0.75 0.86
14 B 3025 3009 21.42 100.26 0.75 0.86
15 B 2968 2952 1.19 1.18 0.75 0.86
16 B 1521 1512 23.26 0.30 0.75 0.86
17 B 1485 1477 0.64 1.55 0.75 0.86
18 B 1381 1373 36.80 10.04 0.75 0.86
19 B 1173 1166 97.97 0.09 0.75 0.86
20 B 1115 1109 6.00 0.06 0.75 0.86
21 B 854 849 18.62 2.70 0.75 0.86
22 B 492 489 9.61 2.33 0.75 0.86
23 B 489 487 0.21 1.25 0.75 0.86
24 B 148 147 0.73 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18002.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17903.5 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 BLYP/3-21G
ABC
0.31802 0.28130 0.15822

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.199
O2 0.000 0.000 1.443
C3 0.000 1.294 -0.637
C4 0.000 -1.294 -0.637
H5 -0.000 2.165 0.033
H6 0.000 -2.165 0.033
H7 0.891 1.325 -1.289
H8 -0.890 1.325 -1.290
H9 -0.891 -1.325 -1.289
H10 0.890 -1.325 -1.290

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.24441.54111.54112.17082.17082.18272.18282.18272.1828
O21.24442.45042.45042.58322.58323.16493.16533.16493.1653
C31.54112.45042.58891.09863.52341.10441.10442.84252.8421
C41.54112.45042.58893.52341.09862.84252.84211.10441.1044
H52.17082.58321.09863.52344.32901.80251.80263.83653.8365
H62.17082.58323.52341.09864.32903.83653.83651.80251.8026
H72.18273.16491.10442.84251.80253.83651.78113.19312.6494
H82.18283.16531.10442.84211.80263.83651.78112.64943.1918
H92.18273.16492.84251.10443.83651.80253.19312.64941.7811
H102.18283.16532.84211.10443.83651.80262.64943.19181.7811

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.510 C1 C3 H7 110.093
C1 C3 H8 110.102 C1 C4 H6 109.510
C1 C4 H9 110.093 C1 C4 H10 110.102
O2 C1 C3 122.864 O2 C1 C4 122.864
C3 C1 C4 114.273 H5 C3 H7 109.810
H5 C3 H8 109.819 H6 C4 H9 109.810
H6 C4 H10 109.819 H7 C3 H8 107.483
H9 C4 H10 107.483
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.378      
2 O -0.397      
3 C -0.593      
4 C -0.593      
5 H 0.207      
6 H 0.207      
7 H 0.198      
8 H 0.198      
9 H 0.198      
10 H 0.198      


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 -2.552 2.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.187 0.001 0.000
y 0.001 -23.891 0.000
z 0.000 0.000 -28.033
Traceless
 xyz
x 1.775 0.001 0.000
y 0.001 2.219 0.000
z 0.000 0.000 -3.994
Polar
3z2-r2-7.988
x2-y2-0.296
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.691 0.000 0.000
y 0.000 5.210 0.000
z 0.000 0.000 5.500


<r2> (average value of r2) Å2
<r2> 83.947
(<r2>)1/2 9.162