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

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVDZ
 hartrees
Energy at 0K-229.919734
Energy at 298.15K-229.922464
HF Energy-229.919734
Nuclear repulsion energy142.381976
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/aug-cc-pVDZ
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' 3483 3334 48.49      
2 A' 3189 3053 6.79      
3 A' 3060 2929 0.77      
4 A' 2231 2135 52.28      
5 A' 1806 1729 226.28      
6 A' 1445 1383 15.40      
7 A' 1383 1324 47.21      
8 A' 1221 1169 142.86      
9 A' 989 947 24.19      
10 A' 753 721 17.83      
11 A' 650 622 44.95      
12 A' 599 573 12.16      
13 A' 442 424 2.45      
14 A' 167 159 5.30      
15 A" 3139 3005 3.69      
16 A" 1448 1386 10.04      
17 A" 1035 991 6.46      
18 A" 688 658 37.18      
19 A" 597 572 3.83      
20 A" 208 199 1.90      
21 A" 132 127 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 14331.8 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 13719.8 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/aug-cc-pVDZ
ABC
0.34130 0.13395 0.09796

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.488 0.739 0.000
C2 0.000 0.503 0.000
O3 -0.822 1.393 0.000
C4 -0.417 -0.902 0.000
C5 -0.731 -2.071 0.000
H6 1.689 1.815 0.000
H7 1.936 0.265 0.885
H8 1.936 0.265 -0.885
H9 -1.028 -3.100 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 H6 H7 H8 H9
C11.50692.40102.51493.58061.09431.09901.09904.5902
C21.50691.21131.46622.67602.13852.14182.14183.7470
O32.40101.21132.33093.46532.54603.10813.10814.4978
C42.51491.46622.33091.21003.43782.77172.77172.2809
C53.58062.67603.46531.21004.57773.65403.65401.0710
H61.09432.13852.54603.43784.57771.80151.80155.6158
H71.09902.14183.10812.77173.65401.80151.76964.5707
H81.09902.14183.10812.77173.65401.80151.76964.5707
H94.59023.74704.49782.28091.07105.61584.57074.5707

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 123.721 C1 C2 C4 115.526
C2 C1 H6 109.570 C2 C1 H7 109.557
C2 C1 H8 109.557 C2 C4 C5 178.503
O3 C2 C4 120.752 C4 C5 H9 178.915
H6 C1 H7 110.440 H6 C1 H8 110.440
H7 C1 H8 107.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.382      
2 C 0.194      
3 O -0.524      
4 C -0.232      
5 C 0.900      
6 H -0.157      
7 H -0.013      
8 H -0.013      
9 H -0.537      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.171 -2.275 0.000 3.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.397 5.218 0.000
y 5.218 -26.340 0.000
z 0.000 0.000 -29.241
Traceless
 xyz
x -1.607 5.218 0.000
y 5.218 2.980 0.000
z 0.000 0.000 -1.373
Polar
3z2-r2-2.745
x2-y2-3.058
xy5.218
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.271 0.773 0.000
y 0.773 10.146 0.000
z 0.000 0.000 5.320


<r2> (average value of r2) Å2
<r2> 117.591
(<r2>)1/2 10.844