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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-191.256562
Energy at 298.15K-191.262959
HF Energy-190.866247
Nuclear repulsion energy118.781169
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 MP2/3-21G*
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' 3514 3343 5.96      
2 A' 3289 3128 8.50      
3 A' 3191 3036 3.93      
4 A' 3186 3031 11.93      
5 A' 3097 2946 9.35      
6 A' 1714 1631 67.53      
7 A' 1597 1519 12.69      
8 A' 1531 1456 13.37      
9 A' 1493 1420 11.63      
10 A' 1430 1360 2.09      
11 A' 1211 1152 119.63      
12 A' 1068 1016 23.52      
13 A' 993 944 43.44      
14 A' 835 794 7.90      
15 A' 475 451 18.18      
16 A' 407 387 3.42      
17 A" 3162 3008 12.32      
18 A" 1577 1500 6.62      
19 A" 1147 1091 2.89      
20 A" 851 810 90.98      
21 A" 738 702 8.25      
22 A" 505 480 13.46      
23 A" 455 432 135.24      
24 A" 155 147 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 18808.0 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 17892.1 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 MP2/3-21G*
ABC
0.32224 0.29992 0.16001

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.969 -1.055 0.000
C2 0.000 0.106 0.000
C3 0.352 1.402 0.000
O4 -1.325 -0.372 0.000
H5 1.999 -0.690 0.000
H6 0.802 -1.675 0.886
H7 0.802 -1.675 -0.886
H8 1.396 1.689 0.000
H9 -0.380 2.205 0.000
H10 -1.948 0.402 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51252.53332.39371.09271.09471.09472.77683.52783.2605
C21.51251.34301.40882.15182.14542.14542.11032.13261.9700
C32.53331.34302.44182.66233.23413.23411.08211.08642.5080
O42.39371.40882.44183.33932.64732.64733.41352.74490.9935
H51.09272.15182.66233.33931.78611.78612.45413.74674.0950
H61.09472.14543.23412.64731.78611.77223.52954.15193.5583
H71.09472.14543.23412.64731.78611.77223.52954.15193.5583
H82.77682.11031.08213.41352.45413.52953.52951.84903.5825
H93.52782.13261.08642.74493.74674.15194.15191.84902.3891
H103.26051.97002.50800.99354.09503.55833.55833.58252.3891

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 124.937 C1 C2 O4 110.000
C2 C1 H5 110.332 C2 C1 H6 109.713
C2 C1 H7 109.713 C2 C3 H8 120.580
C2 C3 H9 122.415 C2 O4 H10 108.947
C3 C2 O4 125.064 H5 C1 H6 109.479
H5 C1 H7 109.479 H6 C1 H7 108.089
H8 C3 H9 117.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability