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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-193.014215
Energy at 298.15K-193.008389
HF Energy-193.150476
Nuclear repulsion energy120.423196
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 B3LYP/6-31G(2df,p)
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' 3804 3671 23.02      
2 A' 3252 3138 8.80      
3 A' 3155 3044 4.82      
4 A' 3145 3035 14.26      
5 A' 3039 2932 18.14      
6 A' 1730 1670 134.88      
7 A' 1492 1440 5.00      
8 A' 1456 1405 3.10      
9 A' 1415 1365 28.01      
10 A' 1374 1326 6.13      
11 A' 1210 1168 140.18      
12 A' 1023 987 31.99      
13 A' 985 950 9.80      
14 A' 865 835 3.56      
15 A' 481 464 17.87      
16 A' 406 392 1.38      
17 A" 3092 2984 14.47      
18 A" 1472 1420 6.02      
19 A" 1074 1036 0.88      
20 A" 812 783 58.48      
21 A" 732 706 1.04      
22 A" 512 494 1.36      
23 A" 448 432 99.90      
24 A" 180 173 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 18574.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17924.6 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 B3LYP/6-31G(2df,p)
ABC
0.33765 0.30303 0.16458

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.884 -1.111 0.000
C2 0.000 0.098 0.000
C3 0.426 1.362 0.000
O4 -1.316 -0.267 0.000
H5 1.937 -0.826 0.000
H6 0.683 -1.730 0.881
H7 0.683 -1.730 -0.881
H8 1.484 1.589 0.000
H9 -0.262 2.202 0.000
H10 -1.859 0.530 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49812.51512.35721.09071.09551.09552.76503.50533.1966
C21.49811.33401.36622.14642.14162.14162.10292.11971.9085
C32.51511.33402.38582.65903.22593.22591.08121.08552.4323
O42.35721.36622.38583.30142.62982.62983.35912.68450.9640
H51.09072.14642.65903.30141.77971.77972.45653.74194.0311
H61.09552.14163.22592.62981.77971.76153.52594.13893.5138
H71.09552.14163.22592.62981.77971.76153.52594.13893.5138
H82.76502.10291.08123.35912.45653.52593.52591.85013.5064
H93.50532.11971.08552.68453.74194.13894.13891.85012.3122
H103.19661.90852.43230.96404.03113.51383.51383.50642.3122

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 125.157 C1 C2 O4 110.494
C2 C1 H5 111.017 C2 C1 H6 110.249
C2 C1 H7 110.249 C2 C3 H8 120.861
C2 C3 H9 122.002 C2 O4 H10 109.169
C3 C2 O4 124.349 H5 C1 H6 109.041
H5 C1 H7 109.041 H6 C1 H7 107.151
H8 C3 H9 117.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.439      
2 C 0.437      
3 C -0.461      
4 O -0.423      
5 H 0.128      
6 H 0.135      
7 H 0.135      
8 H 0.107      
9 H 0.085      
10 H 0.295      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.135 0.481 0.000 0.499
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 80.197
(<r2>)1/2 8.955