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

using model chemistry: QCISD(T)/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-192.812420
Energy at 298.15K-192.818798
HF Energy-192.008999
Nuclear repulsion energy120.259030
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 QCISD(T)/6-311+G(3df,2p)
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' 3839 3661        
2 A' 3253 3102        
3 A' 3149 3003        
4 A' 3145 2999        
5 A' 3041 2900        
6 A' 1713 1634        
7 A' 1501 1431        
8 A' 1458 1391        
9 A' 1418 1352        
10 A' 1363 1300        
11 A' 1209 1153        
12 A' 1025 977        
13 A' 979 934        
14 A' 862 822        
15 A' 475 453        
16 A' 402 384        
17 A" 3106 2962        
18 A" 1484 1416        
19 A" 1068 1018        
20 A" 801 764        
21 A" 724 691        
22 A" 491 469        
23 A" 418 399        
24 A" 188 179        

Unscaled Zero Point Vibrational Energy (zpe) 18555.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 17696.6 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 QCISD(T)/6-311+G(3df,2p)
ABC
0.33653 0.30208 0.16405

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.926 -1.080 0.000
C2 0.000 0.096 0.000
C3 0.376 1.383 0.000
O4 -1.308 -0.316 0.000
H5 1.965 -0.754 0.000
H6 0.744 -1.699 0.882
H7 0.744 -1.699 -0.882
H8 1.425 1.641 0.000
H9 -0.350 2.189 0.000
H10 -1.878 0.459 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49682.52352.36081.08941.09301.09302.76683.50913.1985
C21.49681.34061.37132.14132.13412.13412.10232.12191.9126
C32.52351.34062.39212.66303.22683.22681.08071.08492.4358
O42.36081.37132.39213.30242.62692.62693.36192.68190.9622
H51.08942.14132.66303.30241.77871.77872.45543.74464.0301
H61.09302.13413.22682.62691.77871.76413.52174.13433.5085
H71.09302.13413.22682.62691.77871.76413.52174.13433.5085
H82.76682.10231.08073.36192.45543.52173.52171.85793.5084
H93.50912.12191.08492.68193.74464.13434.13431.85792.3079
H103.19851.91262.43580.96224.03013.50853.50853.50842.3079

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 125.494 C1 C2 O4 110.723
C2 C1 H5 110.799 C2 C1 H6 110.001
C2 C1 H7 110.001 C2 C3 H8 120.135
C2 C3 H9 121.698 C2 O4 H10 108.832
C3 C2 O4 123.783 H5 C1 H6 109.182
H5 C1 H7 109.182 H6 C1 H7 107.609
H8 C3 H9 118.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability