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

using model chemistry: wB97X-D/6-31G**

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/6-31G**
 hartrees
Energy at 0K-229.895553
Energy at 298.15K-229.898340
HF Energy-229.895553
Nuclear repulsion energy142.521474
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/6-31G**
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' 3497 3497 46.58      
2 A' 3201 3201 6.22      
3 A' 3076 3076 0.96      
4 A' 2247 2247 59.78      
5 A' 1842 1842 187.66      
6 A' 1484 1484 14.17      
7 A' 1414 1414 42.56      
8 A' 1228 1228 156.76      
9 A' 999 999 26.12      
10 A' 754 754 15.06      
11 A' 662 662 45.25      
12 A' 608 608 14.26      
13 A' 444 444 2.46      
14 A' 175 175 3.88      
15 A" 3155 3155 4.66      
16 A" 1484 1484 10.61      
17 A" 1054 1054 7.23      
18 A" 717 717 36.69      
19 A" 608 608 4.44      
20 A" 244 244 1.12      
21 A" 121 121 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 14507.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14507.1 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 wB97X-D/6-31G**
ABC
0.34105 0.13432 0.09812

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.492 0.729 0.000
C2 0.000 0.501 0.000
O3 -0.815 1.397 0.000
C4 -0.418 -0.902 0.000
C5 -0.742 -2.064 0.000
H6 1.695 1.800 0.000
H7 1.941 0.260 0.881
H8 1.941 0.260 -0.881
H9 -1.043 -3.087 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 H6 H7 H8 H9
C11.50932.40212.51183.57641.09021.09441.09444.5817
C21.50931.21121.46412.67012.13572.14492.14493.7369
O32.40211.21122.33273.46122.54293.10873.10874.4896
C42.51181.46412.33271.20613.43052.77322.77322.2728
C53.57642.67013.46121.20614.56843.65693.65691.0668
H61.09022.13572.54293.43054.56841.79121.79125.6023
H71.09442.14493.10872.77323.65691.79121.76254.5700
H81.09442.14493.10872.77323.65691.79121.76254.5700
H94.58173.73694.48962.27281.06685.60234.57004.5700

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 123.637 C1 C2 C4 115.281
C2 C1 H6 109.428 C2 C1 H7 109.904
C2 C1 H8 109.904 C2 C4 C5 178.981
O3 C2 C4 121.082 C4 C5 H9 179.168
H6 C1 H7 110.157 H6 C1 H8 110.157
H7 C1 H8 107.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.448      
2 C 0.351      
3 O -0.409      
4 C 0.237      
5 C -0.447      
6 H 0.167      
7 H 0.162      
8 H 0.162      
9 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.016 -2.254 0.000 3.024
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.547 4.763 0.000
y 4.763 -25.516 0.000
z 0.000 0.000 -28.422
Traceless
 xyz
x -1.578 4.763 0.000
y 4.763 2.969 0.000
z 0.000 0.000 -1.391
Polar
3z2-r2-2.782
x2-y2-3.031
xy4.763
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.267 0.890 0.000
y 0.890 8.803 0.000
z 0.000 0.000 3.447


<r2> (average value of r2) Å2
<r2> 116.892
(<r2>)1/2 10.812