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All results from a given calculation for CH3COCCH (3-butyn-2-one)

using model chemistry: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-229.857215
Energy at 298.15K-229.860055
HF Energy-229.857215
Nuclear repulsion energy141.256188
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 wB97X-D/SDD
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' 3511 3511 45.89      
2 A' 3218 3218 13.47      
3 A' 3081 3081 2.72      
4 A' 2215 2215 63.07      
5 A' 1715 1715 177.74      
6 A' 1507 1507 31.89      
7 A' 1446 1446 50.70      
8 A' 1242 1242 152.05      
9 A' 1018 1018 22.45      
10 A' 756 756 14.33      
11 A' 723 723 60.17      
12 A' 612 612 23.49      
13 A' 445 445 1.56      
14 A' 177 177 5.03      
15 A" 3174 3174 11.76      
16 A" 1510 1510 21.40      
17 A" 1080 1080 9.37      
18 A" 773 773 48.23      
19 A" 614 614 7.99      
20 A" 254 254 3.03      
21 A" 109 109 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14588.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14588.8 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 wB97X-D/SDD
ABC
0.33434 0.13238 0.09654

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.494 0.742 0.000
C2 0.000 0.496 0.000
O3 -0.838 1.412 0.000
C4 -0.408 -0.911 0.000
C5 -0.730 -2.087 0.000
H6 1.691 1.815 0.000
H7 1.949 0.281 0.883
H8 1.949 0.281 -0.883
H9 -1.022 -3.113 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 H6 H7 H8 H9
C11.51452.42692.52063.59861.09101.09511.09514.6037
C21.51451.24191.46502.68362.14512.15052.15053.7504
O32.42691.24192.36283.50052.56143.13513.13514.5285
C42.52061.46502.36281.21863.44122.78532.78532.2855
C53.59862.68363.50051.21864.59203.68263.68261.0669
H61.09102.14512.56143.44124.59201.78901.78905.6257
H71.09512.15053.13512.78533.68261.78901.76594.5963
H81.09512.15053.13512.78533.68261.78901.76594.5963
H94.60373.75044.52852.28551.06695.62574.59634.5963

picture of 3-butyn-2-one state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.086 C1 C2 C4 115.544
C2 C1 H6 109.760 C2 C1 H7 109.950
C2 C1 H8 109.950 C2 C4 C5 179.125
O3 C2 C4 121.370 C4 C5 H9 179.380
H6 C1 H7 109.841 H6 C1 H8 109.841
H7 C1 H8 107.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.691      
2 C 0.209      
3 O -0.233      
4 C 0.080      
5 C -0.366      
6 H 0.250      
7 H 0.235      
8 H 0.235      
9 H 0.281      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.400 -2.606 0.000 3.543
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.349 5.580 0.000
y 5.580 -26.242 0.000
z 0.000 0.000 -28.980
Traceless
 xyz
x -1.738 5.580 0.000
y 5.580 2.922 0.000
z 0.000 0.000 -1.184
Polar
3z2-r2-2.369
x2-y2-3.106
xy5.580
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.225 0.615 0.000
y 0.615 9.013 0.000
z 0.000 0.000 3.411


<r2> (average value of r2) Å2
<r2> 118.867
(<r2>)1/2 10.903