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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-192.656529
Energy at 298.15K-192.662967
HF Energy-191.959290
Nuclear repulsion energy120.620598
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 MP2/6-31G(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' 3849 3635 36.05      
2 A' 3335 3150 3.45      
3 A' 3230 3050 6.21      
4 A' 3224 3045 3.86      
5 A' 3111 2938 8.96      
6 A' 1746 1649 106.69      
7 A' 1519 1434 7.57      
8 A' 1475 1393 0.61      
9 A' 1433 1354 38.91      
10 A' 1392 1314 3.59      
11 A' 1224 1156 142.41      
12 A' 1036 978 27.31      
13 A' 992 937 5.87      
14 A' 880 831 5.34      
15 A' 479 453 18.07      
16 A' 403 381 1.31      
17 A" 3192 3015 6.31      
18 A" 1499 1416 6.99      
19 A" 1080 1020 0.63      
20 A" 817 772 60.93      
21 A" 746 704 1.05      
22 A" 509 481 1.47      
23 A" 450 425 104.21      
24 A" 185 175 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 18902.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 17853.5 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 MP2/6-31G(2df,p)
ABC
0.33782 0.30479 0.16512

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.882 -1.107 0.000
C2 0.000 0.098 0.000
C3 0.426 1.365 0.000
O4 -1.314 -0.273 0.000
H5 1.932 -0.821 0.000
H6 0.677 -1.720 0.879
H7 0.677 -1.720 -0.879
H8 1.483 1.582 0.000
H9 -0.263 2.200 0.000
H10 -1.847 0.529 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49302.51312.34901.08811.09171.09172.75473.49913.1817
C21.49301.33661.36512.13952.13012.13012.09772.11821.8964
C32.51311.33662.38932.65423.21753.21751.07851.08262.4215
O42.34901.36512.38933.29192.61402.61403.35552.68660.9629
H51.08812.13952.65423.29191.77661.77662.44453.73394.0128
H61.09172.13013.21752.61401.77661.75903.51064.12583.4935
H71.09172.13013.21752.61401.77661.75903.51064.12583.4935
H82.75472.09771.07853.35552.44453.51063.51061.85163.4917
H93.49912.11821.08262.68663.73394.12584.12581.85162.3020
H103.18171.89642.42150.96294.01283.49353.49353.49172.3020

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 125.188 C1 C2 O4 110.466
C2 C1 H5 110.995 C2 C1 H6 110.028
C2 C1 H7 110.028 C2 C3 H8 120.208
C2 C3 H9 121.882 C2 O4 H10 107.848
C3 C2 O4 124.346 H5 C1 H6 109.183
H5 C1 H7 109.183 H6 C1 H7 107.344
H8 C3 H9 117.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability