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

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-192.694520
Energy at 298.15K-192.700960
HF Energy-191.959449
Nuclear repulsion energy120.504489
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/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' 3885 3681 30.62      
2 A' 3303 3129 6.13      
3 A' 3202 3034 2.82      
4 A' 3195 3027 11.91      
5 A' 3091 2928 12.30      
6 A' 1766 1673 116.77      
7 A' 1523 1442 5.55      
8 A' 1486 1408 0.41      
9 A' 1444 1368 36.02      
10 A' 1402 1328 3.64      
11 A' 1242 1177 142.29      
12 A' 1043 988 26.87      
13 A' 999 947 7.60      
14 A' 878 832 5.44      
15 A' 482 456 17.99      
16 A' 405 384 1.31      
17 A" 3158 2992 10.64      
18 A" 1503 1424 6.01      
19 A" 1087 1030 0.49      
20 A" 835 791 58.36      
21 A" 746 707 1.67      
22 A" 511 484 0.72      
23 A" 435 412 106.25      
24 A" 184 174 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 18901.4 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 17907.2 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/6-31G(2df,p)
ABC
0.33768 0.30355 0.16474

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.888 -1.107 0.000
C2 0.000 0.099 0.000
C3 0.421 1.366 0.000
O4 -1.314 -0.275 0.000
H5 1.939 -0.819 0.000
H6 0.685 -1.721 0.881
H7 0.685 -1.721 -0.881
H8 1.477 1.591 0.000
H9 -0.271 2.201 0.000
H10 -1.853 0.520 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49792.51662.35421.08961.09311.09312.76163.50463.1872
C21.49791.33461.36652.14492.13542.13542.09922.11861.8999
C32.51661.33462.38792.65993.22133.22131.07991.08392.4259
O42.35421.36652.38793.29802.62002.62003.35742.68630.9598
H51.08962.14492.65993.29801.77871.77872.45343.74114.0207
H61.09312.13543.22132.62001.77871.76213.51804.13163.4982
H71.09312.13543.22132.62001.77871.76213.51804.13163.4982
H82.76162.09921.07993.35742.45343.51803.51801.85093.4979
H93.50462.11861.08392.68633.74114.13164.13161.85092.3083
H103.18721.89992.42590.95984.02073.49823.49823.49792.3083

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 125.265 C1 C2 O4 110.466
C2 C1 H5 111.000 C2 C1 H6 110.021
C2 C1 H7 110.021 C2 C3 H8 120.417
C2 C3 H9 121.982 C2 O4 H10 108.242
C3 C2 O4 124.269 H5 C1 H6 109.155
H5 C1 H7 109.155 H6 C1 H7 107.410
H8 C3 H9 117.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability