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

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-229.861289
Energy at 298.15K-229.863756
HF Energy-229.861289
Nuclear repulsion energy141.530451
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 B97D3/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3424 3424 41.70      
2 A' 3110 3110 10.08      
3 A' 2982 2982 1.85      
4 A' 2134 2134 42.09      
5 A' 1675 1675 194.84      
6 A' 1406 1406 16.89      
7 A' 1331 1331 36.75      
8 A' 1177 1177 142.34      
9 A' 948 948 33.19      
10 A' 730 730 12.61      
11 A' 591 591 43.31      
12 A' 560 560 8.59      
13 A' 425 425 2.88      
14 A' 151 151 5.07      
15 A" 3054 3054 6.25      
16 A" 1413 1413 8.35      
17 A" 999 999 4.61      
18 A" 633 633 36.37      
19 A" 568 568 0.29      
20 A" 189 189 1.42      
21 A" 100 100 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 13799.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13799.5 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 B97D3/aug-cc-pVDZ
ABC
0.33612 0.13287 0.09696

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.495 0.748 0.000
C2 0.000 0.500 0.000
O3 -0.836 1.397 0.000
C4 -0.408 -0.904 0.000
C5 -0.730 -2.084 0.000
H6 1.693 1.828 0.000
H7 1.950 0.273 0.886
H8 1.950 0.273 -0.886
H9 -1.043 -3.111 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 H6 H7 H8 H9
C11.51572.42042.51993.60121.09811.10341.10344.6185
C21.51571.22691.46162.68452.15152.15402.15403.7583
O32.42041.22692.34073.48252.56533.13263.13264.5133
C42.51991.46162.34071.22293.44602.78062.78062.2967
C53.60122.68453.48251.22294.60103.67753.67751.0740
H61.09812.15152.56533.44604.60101.80801.80805.6458
H71.10342.15403.13262.78063.67751.80801.77284.6039
H81.10342.15403.13262.78063.67751.80801.77284.6039
H94.61853.75834.51332.29671.07405.64584.60394.6039

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 123.559 C1 C2 C4 115.627
C2 C1 H6 109.765 C2 C1 H7 109.649
C2 C1 H8 109.649 C2 C4 C5 179.066
O3 C2 C4 120.814 C4 C5 H9 178.378
H6 C1 H7 110.420 H6 C1 H8 110.420
H7 C1 H8 106.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.522      
2 C 0.220      
3 O -0.562      
4 C -0.205      
5 C 1.022      
6 H -0.219      
7 H -0.059      
8 H -0.059      
9 H -0.659      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.064 -2.272 0.000 3.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.629 5.127 0.000
y 5.127 -26.674 0.000
z 0.000 0.000 -29.312
Traceless
 xyz
x -1.636 5.127 0.000
y 5.127 2.796 0.000
z 0.000 0.000 -1.161
Polar
3z2-r2-2.321
x2-y2-2.955
xy5.127
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.770 0.961 0.000
y 0.961 10.911 0.000
z 0.000 0.000 5.450


<r2> (average value of r2) Å2
<r2> 118.754
(<r2>)1/2 10.897