return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H6O (Acetone enol)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-193.098386
Energy at 298.15K-193.104685
HF Energy-193.098386
Nuclear repulsion energy119.346637
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/6-311G*
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' 3611 3602 6.76      
2 A' 3150 3142 16.65      
3 A' 3058 3051 9.27      
4 A' 3053 3046 22.02      
5 A' 2960 2952 26.37      
6 A' 1660 1656 132.86      
7 A' 1475 1471 9.61      
8 A' 1428 1425 6.83      
9 A' 1390 1386 19.53      
10 A' 1333 1330 5.32      
11 A' 1180 1177 143.83      
12 A' 998 995 29.27      
13 A' 955 952 23.24      
14 A' 832 830 5.49      
15 A' 470 469 17.85      
16 A' 402 401 1.57      
17 A" 3001 2993 23.49      
18 A" 1454 1450 9.47      
19 A" 1054 1052 0.37      
20 A" 749 747 77.45      
21 A" 702 700 3.03      
22 A" 485 484 0.64      
23 A" 452 451 115.41      
24 A" 172 172 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 18011.0 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 17965.9 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/6-311G*
ABC
0.33076 0.29841 0.16163

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.937 -1.079 0.000
C2 0.000 0.100 0.000
C3 0.372 1.394 0.000
O4 -1.316 -0.331 0.000
H5 1.985 -0.756 0.000
H6 0.762 -1.710 0.885
H7 0.762 -1.710 -0.885
H8 1.423 1.675 0.000
H9 -0.357 2.208 0.000
H10 -1.901 0.451 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.50652.53702.37421.09641.10111.10112.79693.53343.2245
C21.50651.34601.38452.16142.15442.15442.12262.13831.9330
C32.53701.34602.41272.68733.25133.25131.08831.09312.4603
O42.37421.38452.41273.32782.64622.64623.39472.71400.9765
H51.09642.16142.68733.32781.78651.78652.49473.77764.0687
H61.10112.15443.25132.64621.78651.77013.56124.17043.5417
H71.10112.15443.25132.64621.78651.77013.56124.17043.5417
H82.79692.12261.08833.39472.49473.56123.56121.85853.5421
H93.53342.13831.09312.71403.77764.17044.17041.85852.3390
H103.22451.93302.46030.97654.06873.54173.54173.54212.3390

picture of Acetone enol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.499 C1 C2 O4 110.340
C2 C1 H5 111.293 C2 C1 H6 110.452
C2 C1 H7 110.452 C2 C3 H8 121.010
C2 C3 H9 122.146 C2 O4 H10 108.683
C3 C2 O4 124.161 H5 C1 H6 108.769
H5 C1 H7 108.769 H6 C1 H7 106.985
H8 C3 H9 116.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.616      
2 C 0.260      
3 C -0.512      
4 O -0.502      
5 H 0.207      
6 H 0.213      
7 H 0.213      
8 H 0.189      
9 H 0.174      
10 H 0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.184 0.620 0.000 0.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.304 -3.265 0.000
y -3.265 -25.165 0.000
z 0.000 0.000 -27.327
Traceless
 xyz
x 3.942 -3.265 0.000
y -3.265 -0.349 0.000
z 0.000 0.000 -3.593
Polar
3z2-r2-7.186
x2-y22.861
xy-3.265
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.000 0.180 0.000
y 0.180 7.637 0.000
z 0.000 0.000 3.671


<r2> (average value of r2) Å2
<r2> 81.843
(<r2>)1/2 9.047