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: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-190.450493
Energy at 298.15K-190.456622
HF Energy-190.450493
Nuclear repulsion energy118.493066
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 PBE1PBE/STO-3G
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' 3821 3370 19.07      
2 A' 3614 3188 0.90      
3 A' 3551 3132 0.03      
4 A' 3452 3045 26.43      
5 A' 3359 2963 0.09      
6 A' 1894 1671 64.06      
7 A' 1681 1483 7.92      
8 A' 1616 1426 0.23      
9 A' 1570 1385 18.44      
10 A' 1551 1368 0.63      
11 A' 1358 1198 69.17      
12 A' 1101 971 5.43      
13 A' 1056 932 5.55      
14 A' 918 810 1.03      
15 A' 473 417 10.17      
16 A' 400 353 1.90      
17 A" 3516 3101 0.00      
18 A" 1670 1473 4.58      
19 A" 1164 1027 4.56      
20 A" 875 772 37.05      
21 A" 761 671 0.55      
22 A" 545 480 63.70      
23 A" 499 440 23.00      
24 A" 113 100 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 20279.0 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 17888.1 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 PBE1PBE/STO-3G
ABC
0.32535 0.29485 0.15933

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.874 -1.151 0.000
C2 0.000 0.102 0.000
C3 0.476 1.356 0.000
O4 -1.363 -0.236 0.000
H5 1.934 -0.871 0.000
H6 0.667 -1.764 0.889
H7 0.667 -1.764 -0.889
H8 1.546 1.552 0.000
H9 -0.189 2.222 0.000
H10 -1.824 0.672 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52732.53862.41671.09591.09951.09952.78453.53633.2564
C21.52731.34191.40402.16512.17172.17172.11972.12881.9113
C32.53861.34192.43232.66283.25043.25041.08811.09122.3996
O42.41671.40402.43233.35752.69162.69163.41442.72421.0187
H51.09592.16512.66283.35751.78651.78652.45403.75194.0629
H61.09952.17173.25042.69161.78651.77723.54364.17293.5961
H71.09952.17173.25042.69161.78651.77723.54364.17293.5961
H82.78452.11971.08813.41442.45403.54363.54361.86003.4833
H93.53632.12881.09122.72423.75194.17294.17291.86002.2533
H103.25641.91132.39961.01874.06293.59613.59613.48332.2533

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 124.318 C1 C2 O4 110.997
C2 C1 H5 110.164 C2 C1 H6 110.470
C2 C1 H7 110.470 C2 C3 H8 121.093
C2 C3 H9 121.728 C2 O4 H10 103.015
C3 C2 O4 124.686 H5 C1 H6 108.926
H5 C1 H7 108.926 H6 C1 H7 107.829
H8 C3 H9 117.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.243      
2 C 0.083      
3 C -0.232      
4 O -0.226      
5 H 0.091      
6 H 0.092      
7 H 0.092      
8 H 0.077      
9 H 0.064      
10 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.136 0.491 0.000 0.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.417 -2.800 0.000
y -2.800 -22.382 0.000
z 0.000 0.000 -23.915
Traceless
 xyz
x 1.732 -2.800 0.000
y -2.800 0.284 0.000
z 0.000 0.000 -2.016
Polar
3z2-r2-4.031
x2-y20.965
xy-2.800
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.461 0.239 0.000
y 0.239 4.028 0.000
z 0.000 0.000 1.183


<r2> (average value of r2) Å2
<r2> 81.135
(<r2>)1/2 9.008