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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-36.207864
Energy at 298.15K-36.214119
HF Energy-35.634366
Nuclear repulsion energy67.309041
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/CEP-121G*
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' 3759 3581 26.04      
2 A' 3298 3142 9.83      
3 A' 3196 3045 15.50      
4 A' 3185 3034 4.98      
5 A' 3077 2932 17.63      
6 A' 1713 1632 116.43      
7 A' 1530 1457 10.94      
8 A' 1483 1413 0.94      
9 A' 1442 1374 35.25      
10 A' 1373 1309 15.77      
11 A' 1226 1168 152.97      
12 A' 1038 989 34.10      
13 A' 982 936 9.58      
14 A' 863 822 9.14      
15 A' 475 453 19.09      
16 A' 404 385 1.56      
17 A" 3165 3015 14.45      
18 A" 1506 1435 10.10      
19 A" 1079 1028 0.28      
20 A" 717 683 1.62      
21 A" 674 643 94.56      
22 A" 458 436 4.56      
23 A" 409 390 115.17      
24 A" 172 164 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 18610.7 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 17732.3 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/CEP-121G*
ABC
0.33009 0.29840 0.16146

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.961 -1.061 0.000
C2 0.000 0.098 0.000
C3 0.342 1.406 0.000
O4 -1.310 -0.361 0.000
H5 1.993 -0.704 0.000
H6 0.793 -1.683 0.885
H7 0.793 -1.683 -0.885
H8 1.387 1.693 0.000
H9 -0.403 2.198 0.000
H10 -1.898 0.417 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.50582.54352.37681.09201.09491.09492.78703.53323.2185
C21.50581.35181.38842.14842.14132.14132.11352.13831.9244
C32.54351.35182.41922.67913.24483.24481.08321.08762.4482
O42.37681.38842.41923.32112.63722.63723.39012.71510.9752
H51.09202.14842.67913.32111.78401.78402.47283.76354.0491
H61.09492.14133.24482.63721.78401.77063.54064.15663.5263
H71.09492.14133.24482.63721.78401.77063.54064.15663.5263
H82.78702.11351.08323.39012.47283.54063.54061.85953.5233
H93.53322.13831.08762.71513.76354.15664.15661.85952.3247
H103.21851.92442.44820.97524.04913.52633.52633.52332.3247

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 125.683 C1 C2 O4 110.349
C2 C1 H5 110.571 C2 C1 H6 109.832
C2 C1 H7 109.832 C2 C3 H8 120.037
C2 C3 H9 122.089 C2 O4 H10 107.727
C3 C2 O4 123.967 H5 C1 H6 109.325
H5 C1 H7 109.325 H6 C1 H7 107.909
H8 C3 H9 117.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability