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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-193.058519
Energy at 298.15K-193.064406
HF Energy-193.058519
Nuclear repulsion energy119.578726
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 B1B95/6-31G**
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 3206 3061 6.77 70.88 0.60 0.75
2 A 3144 3002 0.00 10.12 0.75 0.86
3 A 3082 2943 5.51 203.75 0.01 0.02
4 A 1863 1779 161.15 6.70 0.47 0.64
5 A 1497 1429 24.51 30.79 0.73 0.84
6 A 1492 1425 0.00 30.76 0.75 0.86
7 A 1407 1343 16.46 2.88 0.70 0.82
8 A 1092 1043 0.05 4.16 0.57 0.72
9 A 890 850 0.00 3.61 0.75 0.86
10 A 806 769 0.79 11.27 0.17 0.29
11 A 372 355 1.20 0.35 0.51 0.67
12 A 38 36 0.00 0.07 0.75 0.86
13 B 3205 3060 9.28 56.10 0.75 0.86
14 B 3151 3008 17.42 105.63 0.75 0.86
15 B 3076 2937 1.08 0.54 0.75 0.86
16 B 1515 1446 22.41 0.41 0.75 0.86
17 B 1488 1421 0.19 1.61 0.75 0.86
18 B 1416 1352 74.65 4.92 0.75 0.86
19 B 1258 1201 69.16 0.72 0.75 0.86
20 B 1129 1078 4.87 0.01 0.75 0.86
21 B 899 859 3.85 3.50 0.75 0.86
22 B 531 507 15.21 1.65 0.75 0.86
23 B 487 465 0.26 1.05 0.75 0.86
24 B 136 129 0.12 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18588.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17748.1 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 B1B95/6-31G**
ABC
0.33982 0.28543 0.16455

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.184
O2 0.000 0.000 1.394
C3 0.000 1.284 -0.612
C4 0.000 -1.284 -0.612
H5 0.000 2.138 0.065
H6 -0.000 -2.138 0.065
H7 0.878 1.331 -1.262
H8 -0.879 1.332 -1.262
H9 -0.878 -1.331 -1.262
H10 0.879 -1.332 -1.262

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.21041.51071.51072.14112.14112.15302.15302.15302.1530
O21.21042.38182.38182.51752.51753.09873.09843.09873.0984
C31.51072.38182.56871.08893.48831.09421.09422.83492.8352
C41.51072.38182.56873.48831.08892.83492.83521.09421.0942
H52.14112.51751.08893.48834.27551.78401.78403.81683.8168
H62.14112.51753.48831.08894.27553.81683.81681.78401.7840
H72.15303.09871.09422.83491.78403.81681.75713.18982.6629
H82.15303.09841.09422.83521.78403.81681.75712.66293.1910
H92.15303.09872.83491.09423.81681.78403.18982.66291.7571
H102.15303.09842.83521.09423.81681.78402.66293.19101.7571

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.833 C1 C3 H7 110.466
C1 C3 H8 110.464 C1 C4 H6 109.833
C1 C4 H9 110.466 C1 C4 H10 110.464
O2 C1 C3 121.771 O2 C1 C4 121.771
C3 C1 C4 116.459 H5 C3 H7 109.605
H5 C3 H8 109.604 H6 C4 H9 109.605
H6 C4 H10 109.604 H7 C3 H8 106.819
H9 C4 H10 106.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.442      
2 O -0.427      
3 C -0.575      
4 C -0.575      
5 H 0.200      
6 H 0.200      
7 H 0.184      
8 H 0.184      
9 H 0.184      
10 H 0.184      


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 -2.840 2.840
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.764 -0.000 0.000
y -0.000 -23.288 0.000
z 0.000 0.000 -28.006
Traceless
 xyz
x 1.883 -0.000 0.000
y -0.000 2.597 0.000
z 0.000 0.000 -4.480
Polar
3z2-r2-8.960
x2-y2-0.476
xy-0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.967 0.000 0.000
y 0.000 5.303 0.000
z 0.000 0.000 5.698


<r2> (average value of r2) Å2
<r2> 81.363
(<r2>)1/2 9.020