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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-191.841192
Energy at 298.15K-191.847643
HF Energy-191.841192
Nuclear repulsion energy119.776149
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 PBE1PBE/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' 3569 3427 7.53      
2 A' 3291 3161 7.02      
3 A' 3193 3066 4.22      
4 A' 3187 3060 8.55      
5 A' 3077 2956 10.10      
6 A' 1745 1676 116.26      
7 A' 1552 1491 13.73      
8 A' 1501 1441 10.30      
9 A' 1464 1406 25.65      
10 A' 1433 1376 2.48      
11 A' 1205 1157 149.27      
12 A' 1052 1010 26.51      
13 A' 1005 966 27.04      
14 A' 864 830 5.70      
15 A' 473 454 18.35      
16 A' 408 392 3.71      
17 A" 3137 3013 10.01      
18 A" 1534 1473 10.50      
19 A" 1124 1080 8.95      
20 A" 876 842 112.65      
21 A" 733 704 6.63      
22 A" 519 499 7.43      
23 A" 461 443 141.87      
24 A" 167 161 1.83      

Unscaled Zero Point Vibrational Energy (zpe) 18784.0 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 18040.2 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 PBE1PBE/3-21G
ABC
0.32828 0.30558 0.16308

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.892 -1.101 0.000
C2 0.000 0.103 0.000
C3 0.438 1.363 0.000
O4 -1.331 -0.283 0.000
H5 1.944 -0.808 0.000
H6 0.684 -1.715 0.884
H7 0.684 -1.715 -0.884
H8 1.499 1.574 0.000
H9 -0.237 2.214 0.000
H10 -1.912 0.519 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.49862.50582.36861.09171.09631.09632.74303.50193.2382
C21.49861.33431.38552.14682.13432.13432.10022.12401.9563
C32.50581.33432.41642.64223.21243.21241.08151.08602.4971
O42.36861.38552.41643.31632.62502.62503.38462.72580.9902
H51.09172.14682.64223.31631.78661.78662.42323.72664.0774
H61.09632.13433.21242.62501.78661.76753.50234.13133.5369
H71.09632.13433.21242.62501.78661.76753.50234.13133.5369
H82.74302.10021.08153.38462.42323.50233.50231.85023.5702
H93.50192.12401.08602.72583.72664.13134.13131.85022.3827
H103.23821.95632.49710.99024.07743.53693.53693.57022.3827

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 124.284 C1 C2 O4 110.360
C2 C1 H5 110.969 C2 C1 H6 109.699
C2 C1 H7 109.699 C2 C3 H8 120.413
C2 C3 H9 122.375 C2 O4 H10 109.751
C3 C2 O4 125.355 H5 C1 H6 109.484
H5 C1 H7 109.484 H6 C1 H7 107.435
H8 C3 H9 117.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.666      
2 C 0.271      
3 C -0.497      
4 O -0.594      
5 H 0.226      
6 H 0.244      
7 H 0.244      
8 H 0.210      
9 H 0.193      
10 H 0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.136 0.721 0.000 0.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.743 -3.619 0.000
y -3.619 -23.965 0.000
z 0.000 0.000 -26.806
Traceless
 xyz
x 3.642 -3.619 0.000
y -3.619 0.309 0.000
z 0.000 0.000 -3.952
Polar
3z2-r2-7.903
x2-y22.222
xy-3.619
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.236 0.275 0.000
y 0.275 6.443 0.000
z 0.000 0.000 2.507


<r2> (average value of r2) Å2
<r2> 80.739
(<r2>)1/2 8.985