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

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-191.293462
Energy at 298.15K-191.299811
HF Energy-190.865637
Nuclear repulsion energy118.489260
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/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' 3496 3389 2.34      
2 A' 3227 3128 9.88      
3 A' 3138 3041 4.41      
4 A' 3121 3025 14.00      
5 A' 3039 2945 11.96      
6 A' 1718 1665 65.53      
7 A' 1574 1526 9.77      
8 A' 1514 1467 11.34      
9 A' 1476 1431 10.31      
10 A' 1422 1378 0.67      
11 A' 1209 1172 119.19      
12 A' 1058 1025 18.41      
13 A' 982 952 39.40      
14 A' 823 797 7.32      
15 A' 469 455 17.68      
16 A' 401 388 3.43      
17 A" 3094 2999 15.17      
18 A" 1553 1506 5.95      
19 A" 1130 1095 2.90      
20 A" 861 834 80.50      
21 A" 727 704 7.81      
22 A" 491 476 6.91      
23 A" 431 418 143.22      
24 A" 152 147 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 18552.5 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 17981.1 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 QCISD/3-21G
ABC
0.32120 0.29798 0.15923

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.983 -1.049 0.000
C2 0.000 0.108 0.000
C3 0.338 1.408 0.000
O4 -1.324 -0.385 0.000
H5 2.014 -0.676 0.000
H6 0.819 -1.673 0.889
H7 0.819 -1.673 -0.889
H8 1.381 1.710 0.000
H9 -0.404 2.206 0.000
H10 -1.957 0.381 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51822.54022.40061.09671.09901.09902.78713.53863.2688
C21.51821.34291.41302.16132.15292.15292.11462.13681.9755
C32.54021.34292.44452.67453.24293.24291.08601.09012.5134
O42.40061.41302.44453.35082.65392.65393.42112.74950.9935
H51.09672.16132.67453.35081.79291.79292.46813.76264.1089
H61.09902.15293.24292.65391.79291.77893.54274.16403.5657
H71.09902.15293.24292.65391.79291.77893.54274.16403.5657
H82.78712.11461.08603.42112.46813.54273.54271.85333.5921
H93.53862.13681.09012.74953.76264.16404.16401.85332.3957
H103.26881.97552.51340.99354.10893.56573.56573.59212.3957

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 125.098 C1 C2 O4 109.916
C2 C1 H5 110.454 C2 C1 H6 109.657
C2 C1 H7 109.657 C2 C3 H8 120.688
C2 C3 H9 122.527 C2 O4 H10 109.112
C3 C2 O4 124.986 H5 C1 H6 109.486
H5 C1 H7 109.486 H6 C1 H7 108.062
H8 C3 H9 116.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability