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: wB97X-D/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G
 hartrees
Energy at 0K-192.009042
Energy at 298.15K-192.015495
HF Energy-192.009042
Nuclear repulsion energy 
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 wB97X-D/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' 3631 3631 10.22      
2 A' 3297 3297 6.98      
3 A' 3201 3201 3.94      
4 A' 3192 3192 9.00      
5 A' 3092 3092 9.43      
6 A' 1754 1754 123.35      
7 A' 1561 1561 11.61      
8 A' 1514 1514 13.54      
9 A' 1477 1477 26.09      
10 A' 1442 1442 2.88      
11 A' 1214 1214 155.03      
12 A' 1063 1063 26.31      
13 A' 1013 1013 32.03      
14 A' 862 862 5.85      
15 A' 486 486 18.05      
16 A' 418 418 4.46      
17 A" 3153 3153 9.95      
18 A" 1543 1543 10.61      
19 A" 1133 1133 10.51      
20 A" 896 896 115.41      
21 A" 736 736 5.74      
22 A" 525 525 6.87      
23 A" 462 462 149.27      
24 A" 145 145 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 18904.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18904.1 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 wB97X-D/3-21G
ABC
0.32910 0.30477 0.16305

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.890 -1.107 0.000
C2 0.000 0.104 0.000
C3 0.442 1.360 0.000
O4 -1.332 -0.274 0.000
H5 1.941 -0.817 0.000
H6 0.680 -1.718 0.884
H7 0.680 -1.718 -0.884
H8 1.503 1.568 0.000
H9 -0.229 2.212 0.000
H10 -1.911 0.522 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.50232.50762.37251.09061.09471.09472.74463.50283.2401
C21.50231.33241.38432.14862.13582.13582.09842.12121.9564
C32.50761.33242.41232.64383.21173.21171.08041.08482.4984
O42.37251.38432.41233.31782.62932.62933.38062.71990.9845
H51.09062.14862.64383.31781.78411.78412.42583.72704.0785
H61.09472.13583.21172.62931.78411.76703.50134.12993.5373
H71.09472.13583.21172.62931.78411.76703.50134.12993.5373
H82.74462.09841.08043.38062.42583.50133.50131.84773.5705
H93.50282.12121.08482.71993.72704.12994.12991.84772.3845
H103.24011.95642.49840.98454.07853.53733.53733.57052.3845

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 124.298 C1 C2 O4 110.485
C2 C1 H5 110.921 C2 C1 H6 109.659
C2 C1 H7 109.659 C2 C3 H8 120.484
C2 C3 H9 122.362 C2 O4 H10 110.215
C3 C2 O4 125.217 H5 C1 H6 109.455
H5 C1 H7 109.455 H6 C1 H7 107.628
H8 C3 H9 117.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.649      
2 C 0.285      
3 C -0.497      
4 O -0.602      
5 H 0.220      
6 H 0.239      
7 H 0.239      
8 H 0.207      
9 H 0.189      
10 H 0.371      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.128 0.736 0.000 0.747
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.692 -3.682 0.000
y -3.682 -23.887 0.000
z 0.000 0.000 -26.660
Traceless
 xyz
x 3.582 -3.682 0.000
y -3.682 0.289 0.000
z 0.000 0.000 -3.871
Polar
3z2-r2-7.741
x2-y22.195
xy-3.682
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.169 0.312 0.000
y 0.312 6.382 0.000
z 0.000 0.000 2.495


<r2> (average value of r2) Å2
<r2> 80.690
(<r2>)1/2 8.983