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

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-189.504817
Energy at 298.15K-189.511183
HF Energy-189.504817
Nuclear repulsion energy119.632285
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 HF/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' 4257 3476 14.52      
2 A' 3824 3123 0.88      
3 A' 3766 3075 0.08      
4 A' 3662 2990 34.79      
5 A' 3569 2914 0.16      
6 A' 2077 1696 67.64      
7 A' 1815 1482 4.37      
8 A' 1755 1433 0.21      
9 A' 1708 1394 18.75      
10 A' 1674 1366 1.93      
11 A' 1481 1209 70.57      
12 A' 1197 977 4.57      
13 A' 1144 934 7.83      
14 A' 980 800 1.71      
15 A' 511 417 11.92      
16 A' 426 348 1.67      
17 A" 3738 3052 0.01      
18 A" 1805 1473 2.12      
19 A" 1266 1033 4.09      
20 A" 1052 859 31.88      
21 A" 859 702 1.28      
22 A" 562 459 5.49      
23 A" 470 384 91.33      
24 A" 131 107 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 21864.1 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 17852.0 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 HF/STO-3G
ABC
0.33364 0.29754 0.16199

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.914 -1.115 0.000
C2 0.000 0.107 0.000
C3 0.419 1.354 0.000
O4 -1.343 -0.272 0.000
H5 1.955 -0.812 0.000
H6 0.723 -1.725 0.879
H7 0.723 -1.725 -0.879
H8 1.468 1.594 0.000
H9 -0.269 2.185 0.000
H10 -1.854 0.575 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52612.51842.40881.08451.08741.08742.76563.50603.2428
C21.52611.31551.39512.16042.15722.15722.08982.09541.9120
C32.51841.31552.39732.65573.21703.21701.07641.07902.4028
O42.40881.39512.39733.34172.67422.67423.37392.68110.9889
H51.08452.16042.65573.34171.76821.76822.45523.73264.0536
H61.08742.15723.21702.67421.76821.75903.51414.12903.5640
H71.08742.15723.21702.67421.76821.75903.51414.12903.5640
H82.76562.08981.07643.37392.45523.51413.51411.83533.4751
H93.50602.09541.07902.68113.73264.12904.12901.83532.2593
H103.24281.91202.40280.98894.05363.56403.56403.47512.2593

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 124.651 C1 C2 O4 111.017
C2 C1 H5 110.558 C2 C1 H6 110.130
C2 C1 H7 110.130 C2 C3 H8 121.457
C2 C3 H9 121.794 C2 O4 H10 105.370
C3 C2 O4 124.332 H5 C1 H6 109.001
H5 C1 H7 109.001 H6 C1 H7 107.964
H8 C3 H9 116.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 C 0.139      
3 C -0.197      
4 O -0.282      
5 H 0.072      
6 H 0.076      
7 H 0.076      
8 H 0.061      
9 H 0.049      
10 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.158 0.641 0.000 0.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.103 -2.811 0.000
y -2.811 -23.017 0.000
z 0.000 0.000 -23.939
Traceless
 xyz
x 1.375 -2.811 0.000
y -2.811 0.004 0.000
z 0.000 0.000 -1.379
Polar
3z2-r2-2.759
x2-y20.914
xy-2.811
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.226 0.219 0.000
y 0.219 4.097 0.000
z 0.000 0.000 1.151


<r2> (average value of r2) Å2
<r2> 80.324
(<r2>)1/2 8.962